For decades, the thymus has been regarded as a vestigial organ of childhood, essential for T-cell education early in life, but thought to lose relevance as it involutes into fatty tissue after ...

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Bone marrow is a spongy tissue found inside some of your bones. Your body uses it to make white blood cells, red blood cells, and platelets. Bone marrow is the soft tissue in your bones that makes and ...

Bone marrow biopsies are performed to check for cancer and other diseases that impact your blood. A bone marrow biopsy is performed by inserting a large needle into your bone, usually your hip bone, ...