The lining of the small intestine bears a series of transverse folds called ________, which are a permanent feature of the intestinal lining.
A) teniae coli
B) circular folds
C) intestinal villi
D) rugae
E) haustra

Question

Quizplus · Accepted Answer

Circular folds, also known as plicae circulares, are permanent transverse folds in the lining of the small intestine. They increase the surface area for absorption and digestion of nutrients. Teniae coli are muscle bands in the large intestine, intestinal villi are finger-like projections in the small intestine, rugae are folds in the stomach lining, and haustra are pouches in the large intestine.

The Lining of the Small Intestine Bears a Series of Transverse