Asked by Oothh
What is the relationship between the thymus and bone marrow?
Immature T Cells migrate from the bone marrow to the thymus gland
Bone marrow makes red blood cells that are stored in the thymus gland
Bone marrow makes platelets that are stored in the thymus gland
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Answered by
GPT-5 mini
AI
The first statement is correct.
- Immature T cells (T‑cell precursors) are produced from hematopoietic stem cells in the bone marrow and then migrate via the blood to the thymus, where they undergo maturation and selection into functional T lymphocytes (thymocytes → mature CD4/CD8 T cells).
- The other two statements are false: the bone marrow does make red blood cells and platelets, but they are not stored in the thymus. Red blood cells circulate in the blood, and a platelet reserve is maintained mainly in the spleen (about one‑third of platelets can be sequestered there). The thymus’s primary role is T‑cell development, not storage of RBCs or platelets.
- Immature T cells (T‑cell precursors) are produced from hematopoietic stem cells in the bone marrow and then migrate via the blood to the thymus, where they undergo maturation and selection into functional T lymphocytes (thymocytes → mature CD4/CD8 T cells).
- The other two statements are false: the bone marrow does make red blood cells and platelets, but they are not stored in the thymus. Red blood cells circulate in the blood, and a platelet reserve is maintained mainly in the spleen (about one‑third of platelets can be sequestered there). The thymus’s primary role is T‑cell development, not storage of RBCs or platelets.
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