The muscle tone of the along the colon contracts it lengthwise, causing its walls to bulge and form pouches called .
A)circular folds; ceca
B)taeniae coli; haustra
C)haustra; taeniae coli
D)internal sphincters; omental (epiploic) appendages
E)internal sphincters; ceca

Question

Quizplus · Accepted Answer

The taeniae coli are three separate longitudinal ribbons of smooth muscle on the outside of the ascending, transverse, descending, and sigmoid colons. Their contraction causes the colon to form pouches called haustra.

The Muscle Tone of the Along the Colon Contracts It