Question
The tissue that occupies the central cavity of the adult long bone body/shaft is
| A. |
red marrow
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| B. |
yellow marrow
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| C. |
endosteum
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| D. |
cancellous tissue
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Show Answer
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Correct Answer � B
Explanation
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Answer (B) yellow marrow
Within the body/shaft of a long bone is the medullary cavity, containing bone marrow and lined by a membrane called endosteum. In adults, yellow marrow is the most abundant and occupies the body/shaft , and red marrow is found within the proximal and distal extremities of long bones. Bone marrow, particularly red, is important in the production of blood cells—a process called hematopoiesis