What is spongy porous bone tissue also called?
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What is spongy porous bone tissue also called_?
CANCELLOUS BONE
Spongy Bone - The ends of long bones are composed of an open lattice of bone called spongy bone. The spaces within contain marrow, where most blood cells are formed. It carries no concentric organisation like the Haversian system. It consists of a network of many fine irregular bony plates or Trabeculae. Each trabecula consists of many irregularly arranged lamellae with lacunae between them. It has red bone marrow. Spongy bone is also called as cancellous bone and is found in epiphysis, i.e., the ends of long bones.
The spongy bone tissue in the hip bones, ribs, sternum, vertebrae and the ends of long bones is where red bone marrow is stored and is the primary site of blood cell production in adults. Under certain conditions, such as severe bleeding, yellow bone marrow can revert to red bone marrow which is the key player in erythropoiesis.