Gross & microscopic anatomy of the alimentary canal.
-This figure shows an intestinal villus. The structure indicated by number 3 is a
A) submucosal gland.
B) Brunner gland.
C) lymphatic nodule.
D) plicae circulares.
E) mucous gland.

Question

Gross & microscopic anatomy of the alimentary canal. 
-This figure shows an intestinal villus. The structure indicated by number 3 is a
A) submucosal gland. 
B) Brunner gland. 
C) lymphatic nodule. 
D) plicae circulares. 
E) mucous gland.

Quizplus · Accepted Answer

The structure indicated by number 3 is a lymphatic nodule, which is part of the immune system and is found in the intestinal villi to help protect against pathogens.

Gross & Microscopic Anatomy of the Alimentary Canal