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Question 2#

Which of the following features is characteristic of the ileum, as opposed to the jejunum?

A. The presence of valvulae conniventes
B. The presence of Peyer patches
C. Larger vasa recta
D. Less fatty mesentery

Correct Answer is B


The entire small intestine contains valvulae conniventes, also known as plicae circularis. The jejunum has larger vasa recta, a larger diameter, and a less fatty mesentery. The ileum contains prominent lymphoid follicles called Peyer patches.