Which bone marrow type is found in cancellous bone and serves as the site of hematopoiesis?

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Study for the Ivy Tech APHY 101 - Skeletal System Test. Enhance your learning with flashcards and multiple choice questions, each question includes hints and explanations. Prepare for success!

Multiple Choice

Which bone marrow type is found in cancellous bone and serves as the site of hematopoiesis?

Explanation:
Red bone marrow is found in cancellous bone and is where hematopoiesis occurs. Its highly vascular, trabeculated spaces house hematopoietic stem cells that differentiate into red blood cells, white blood cells, and platelets, releasing them into circulation as needed. In adults, most red marrow is retained in the axial skeleton and the ends of long bones, while the medullary cavities of long bones become filled with yellow (adipose) marrow that mainly stores fat and does not actively produce blood cells. Adipose marrow is another term for yellow marrow, and fibrous marrow isn’t a hematopoietic marrow type in cancellous bone.

Red bone marrow is found in cancellous bone and is where hematopoiesis occurs. Its highly vascular, trabeculated spaces house hematopoietic stem cells that differentiate into red blood cells, white blood cells, and platelets, releasing them into circulation as needed. In adults, most red marrow is retained in the axial skeleton and the ends of long bones, while the medullary cavities of long bones become filled with yellow (adipose) marrow that mainly stores fat and does not actively produce blood cells. Adipose marrow is another term for yellow marrow, and fibrous marrow isn’t a hematopoietic marrow type in cancellous bone.

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