Which tissue stores fat in the diaphysis of a long bone?

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Multiple Choice

Which tissue stores fat in the diaphysis of a long bone?

Explanation:
Fat storage in the diaphysis of a long bone is in yellow bone marrow, which fills the medullary cavity of the shaft in adults. Yellow marrow is made up largely of adipocytes that store triglycerides, serving as an energy reserve. It’s not primarily involved in blood cell production—that role belongs to red bone marrow, which is found mainly in the epiphyses and, in some bones, in flat bones. Cartilage and tendons don’t house marrow: cartilage covers joint surfaces and appears at growth plates, while tendons are dense connective tissue that attach muscles to bone.

Fat storage in the diaphysis of a long bone is in yellow bone marrow, which fills the medullary cavity of the shaft in adults. Yellow marrow is made up largely of adipocytes that store triglycerides, serving as an energy reserve. It’s not primarily involved in blood cell production—that role belongs to red bone marrow, which is found mainly in the epiphyses and, in some bones, in flat bones. Cartilage and tendons don’t house marrow: cartilage covers joint surfaces and appears at growth plates, while tendons are dense connective tissue that attach muscles to bone.

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