MEDICAL
SPLEEN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following statements are TRUE regarding spleen, EXCEPT
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The red pulp of the spleen is highly vascular.
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White pulp of the spleen is composed of lymphoid aggregates.
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lymphoid nodules in the white pulp is composed mainly of B-lymphocytes
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periarteriolar lymphoid sheath is composed mainly of B-lymphocytes
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Explanation:
Detailed explanation-1: -The T-cell zone is represented by the periarteriolar lymphoid sheath, primarily consisting of tightly packed lymphocytes and the presence of interdigitating dendritic cells.
Detailed explanation-2: -The two major functional zones of the spleen are the hematogenous red pulp and the lymphoid white pulp. The white pulp, located around a central arteriole, is composed of the periarteriolar lymphoid sheath (PALS, T-cell area), the adjacent follicles (B-cell area), and marginal zone (B-cell area) (Figure 1).
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