Which region of the spleen contains periarterial lymphatic sheaths associated with white pulp?

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Study for the NBME Histology Test. Access flashcards and multiple choice questions, each with hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which region of the spleen contains periarterial lymphatic sheaths associated with white pulp?

Explanation:
Periarterial lymphatic sheaths are the T-cell–rich sleeves that encircle the central arteries within the spleen’s white pulp. This arrangement defines the white pulp as the lymphoid portion of the spleen, where immune responses to blood-borne antigens are organized. The white pulp also includes lymphoid nodules with germinal centers containing B cells. In contrast, red pulp handles filtering of blood and RBC recycling, while the capsule is simply the connective tissue envelope around the organ. So, the region containing periarterial lymphatic sheaths associated with white pulp is the white pulp.

Periarterial lymphatic sheaths are the T-cell–rich sleeves that encircle the central arteries within the spleen’s white pulp. This arrangement defines the white pulp as the lymphoid portion of the spleen, where immune responses to blood-borne antigens are organized. The white pulp also includes lymphoid nodules with germinal centers containing B cells. In contrast, red pulp handles filtering of blood and RBC recycling, while the capsule is simply the connective tissue envelope around the organ. So, the region containing periarterial lymphatic sheaths associated with white pulp is the white pulp.

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