Compact bone forms an intricate system around vessels known as Haversian systems or osteons. Volkman?s canals help to connect the Haversian systems. The spongy or cancellous bone is very porous. It fills the interior of the epiphysis and extends to the diaphysis. Spongy bone has vessels around the bone. The marrow cavity is filled with bone marrow components and fat. Hematopoiesis occurs in the marrow. Ashley Davidoff MD Compact bone forms an intricate system around vessels known as Haversian systems or osteons. Volkman?s canals help to connect the Haversian systems. The spongy or cancellous bone is very porous. It fills the interior of the epiphysis and extends to the diaphysis. Spongy bone has vessels around the bone. The marrow cavity is filled with bone marrow components and fat. Hematopoiesis occurs in the marrow. Ashley Davidoff Md Compact bone forms an intricate system around vessels known as Haversian systems or osteons. Volkman?s canals help to connect the Haversian systems. The spongy or cancellous bone is very porous. It fills the interior of the epiphysis and extends to the diaphysis. Spongy bone has vessels around the bone. The marrow cavity is filled with bone marrow components and fat. Hematopoiesis occurs in the marrow. Ashley Davidoff
