GENERAL HISTOLOGY

LYMPHATIC

SPLEEN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
White pulp contains mostly ____
A
Basophils
B
Lymphocytes
C
Macrophages
D
Red blood cells
Explanation: 

Detailed explanation-1: -White pulp contains lymphoid aggregations, mostly lymphocytes, and macrophages which are arranged around the arteries. The lymphocytes are both T (mainly T-helper) and B-cells. Red pulp is vascular, and has parencyhma and lots of vascular sinuses.

Detailed explanation-2: -The white pulp is lymphatic tissue consisting mainly of lymphocytes around arteries. The red pulp consists of venous sinuses filled with blood and cords of lymphatic cells, such as lymphocytes and macrophages.

Detailed explanation-3: -Red pulp is a loose spongy tissue with chords of reticular cells located between venous sinuses that contains lymphocytes, macrophages, granulocytes, and plasma cells.

Detailed explanation-4: -The spleen is made of red pulp and white pulp, separated by the marginal zone; 76-79% of a normal spleen is red pulp.

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