Microbiology

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Red bone marrow

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Microbiology

Definition

Red bone marrow is a hematopoietic tissue found in the spongy parts of bones where blood cell production occurs. It plays a crucial role in generating T lymphocytes, which are essential for adaptive immunity.

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5 Must Know Facts For Your Next Test

  1. Red bone marrow is the primary site for the production of all blood cells, including T lymphocytes.
  2. T lymphocytes mature in the thymus after originating from precursor cells in the red bone marrow.
  3. The environment within red bone marrow supports the differentiation and proliferation of hematopoietic stem cells.
  4. Red bone marrow is located mainly in flat bones such as the sternum, pelvis, and ribs.
  5. Hematopoietic stem cells in red bone marrow can differentiate into various types of immune cells, including B lymphocytes and natural killer (NK) cells.

Review Questions

  • What type of blood cell production occurs in red bone marrow?
  • Where do T lymphocytes mature after they originate in the red bone marrow?
  • Which bones primarily contain red bone marrow?

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