Lymphocytes, plasma cells, and macrophages are produced in the small intestine in the:
A)brush border.
B)microvilli.
C)lamina propria.
D)crypts of Lieberkühn.

Question

Quizplus · Accepted Answer

The lamina propria (a connective tissue layer of the mucous membrane) lies beneath the epithelial cells of the villi and contains lymphocytes; plasma cells, which produce immunoglobulins; and macrophages.

Lymphocytes, Plasma Cells, and Macrophages Are Produced in the Small