Introduction | The Common Vein

Size of the Universe

In this model, the sun is a very tiny speck of dust indeed?a speck less than a three-thousandth of an inch in diameter … Think of the sun as something less than a speck of dust in a vast city, of the earth as less than a millionth part of such a speck of dust, and we have perhaps as vivid a picture as the mind can really grasp of the relation of our home in space to the rest of the universe. ?

Sir James Jeans In The Universe Around Us (1953), 96.

Relative Size of Things

structure	size of structure
coffee bean	12 X 8mm
grain of rice	8 X 2.5mm
sesame seed	3 X 2mm
grain of salt	.5mm
ameba	500 microns
paramecium	210X60 microns
human ovum	130 microns
photoreceptor	100 X 2.5 microns
sperm	60 X 5 microns
skin cell	30 microns
red cell	8 microns
X chromosome	7 microns
baker’s yeast	3 X 4 microns
E Coli bacterium	3 X .6 microns
mitochondrion	4 X .8 microns
lysosyme	.1 micron
measles virus	220 nanometers
influenza virus	130 nm
hiv virus	130 nm
coated vesicle	90 nm
hepatitis virus	45nm
rhinovirus	30nm
ribosome	30nm
ribosome	30nm
antibody	12 nm
tRNA	7nm
phospholipid	.9 X 3.4nm
methionine	1100 X 700pm
adenine	1300 X 760pm
glucose	900pm
water molecule	275pm
carbon atom	340pm

References

Carl Sagan http://www.youtube.com/watch?feature=fvwp&v=t4Tst9DZFPI

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structure
size of structure


coffee bean
12 X 8mm


grain of rice
8 X 2.5mm


sesame seed
3 X 2mm


grain of salt
.5mm


ameba
500 microns


paramecium
210X60 microns


human ovum
130 microns



photoreceptor

100 X 2.5 microns



sperm

60 X 5 microns



skin cell

30 microns



red cell

8 microns



X chromosome

7 microns



baker’s yeast

3 X 4 microns


E Coli bacterium
3 X .6 microns


mitochondrion
4 X .8 microns



lysosyme

.1 micron



measles virus

220 nanometers


influenza virus
130 nm


hiv virus
130 nm


coated vesicle
90 nm



hepatitis virus

45nm


rhinovirus
30nm



ribosome

30nm


ribosome
30nm



antibody

12 nm



tRNA

7nm


phospholipid
.9 X 3.4nm



methionine

1100 X 700pm



adenine

1300 X 760pm



glucose

900pm


water molecule
275pm


carbon atom
340pm



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structure
size of structure


coffee bean
12 X 8mm


grain of rice
8 X 2.5mm


sesame seed
3 X 2mm


grain of salt
.5mm


ameba
500 microns


paramecium
210X60 microns


human ovum
130 microns



photoreceptor

100 X 2.5 microns



sperm

60 X 5 microns



skin cell

30 microns



red cell

8 microns



X chromosome

7 microns



baker’s yeast

3 X 4 microns


E Coli bacterium
3 X .6 microns


mitochondrion
4 X .8 microns



lysosyme

.1 micron



measles virus

220 nanometers


influenza virus
130 nm


hiv virus
130 nm


coated vesicle
90 nm



hepatitis virus

45nm


rhinovirus
30nm



ribosome

30nm


ribosome
30nm



antibody

12 nm



tRNA

7nm


phospholipid
.9 X 3.4nm



methionine

1100 X 700pm



adenine

1300 X 760pm



glucose

900pm


water molecule
275pm


carbon atom
340pm



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    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => coated vesicle
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => coated vesicle
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 130 nm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 130 nm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => hiv virus
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => hiv virus
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 130 nm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 130 nm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => influenza virus
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => influenza virus
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 220 nanometers
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 220 nanometers
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
measles virus

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
measles virus

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => .1 micron
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => .1 micron
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
lysosyme

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
lysosyme

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 4 X .8 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 4 X .8 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => mitochondrion
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => mitochondrion
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 3 X .6 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 3 X .6 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => E Coli bacterium
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => E Coli bacterium
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 3 X 4 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 3 X 4 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
baker’s yeast

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
baker’s yeast

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 7 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 7 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
X chromosome

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
X chromosome

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 8 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 8 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
red cell

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
red cell

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 30 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 30 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
skin cell

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
skin cell

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 60 X 5 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 60 X 5 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
sperm

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
sperm

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 100 X 2.5 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 100 X 2.5 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => (object value omitted)
    [lastElementChild] => (object value omitted)
    [childElementCount] => 1
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => 
photoreceptor

    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 
photoreceptor

)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 130 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 130 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => human ovum
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => human ovum
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 210X60 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 210X60 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => paramecium
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => paramecium
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 500 microns
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 500 microns
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => ameba
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => ameba
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => .5mm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => .5mm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => grain of salt
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => grain of salt
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 3 X 2mm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 3 X 2mm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => sesame seed
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => sesame seed
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 8 X 2.5mm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 8 X 2.5mm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => grain of rice
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => grain of rice
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => 12 X 8mm
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => 12 X 8mm
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => coffee bean
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => coffee bean
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => (object value omitted)
    [nextElementSibling] => 
    [nodeName] => td
    [nodeValue] => size of structure
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => size of structure
)

DOMElement Object
(
    [schemaTypeInfo] => 
    [tagName] => td
    [firstElementChild] => 
    [lastElementChild] => 
    [childElementCount] => 0
    [previousElementSibling] => 
    [nextElementSibling] => (object value omitted)
    [nodeName] => td
    [nodeValue] => structure
    [nodeType] => 1
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => (object value omitted)
    [nextSibling] => (object value omitted)
    [attributes] => (object value omitted)
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => td
    [baseURI] => 
    [textContent] => structure
)

TCV