Question

Succus entericus is the name given to
A. Junction between ileum and large intestine
B. Intestinal juice
C. Swelling in the gut
D. Appendix

Answer 1

Hint: Succus entericus is secreted by glands in the duodenum wall as it is an alkaline secretion which consists of water, carbonate hydrogen ions and mucoproteins. This succus entericus is formed by secretion of the mucosal brush boundary cells along with the secretion of the goblet cells.

Complete answer:
Succus entericus is also known as intestinal juice as it is present in the small intestine of the body. The brush border cells are responsible for secretion of the goblet cells along with the intestinal juice which is called succus entericus. Succus entericus contains a variety of enzymes such as maltase, lipases, nucleosidases, dipeptidases, etc. This is basically intestinal juice which helps in breakdown of many compounds present in the food present in the small intestine.

As succus entericus is secreted by duodenum and it is used as digestive intestinal juice which is present in the small intestine. This enzyme is secreted by crypts of Lieberkuhn and helps to prevent damage of duodenum as it counteract the highly acidic and proteolytic chime from entering the small intestine from the stomach. It protects the duodenum against damage as it prevents the entry of proteolytic and acidic enzymes into the small intestine from the stomach.

Hence, The correct answer is option (B).

Note: Succus entericus is an intestinal juice component but not the entire intestinal juice as the small intestine has various other enzymes and juices which help in digestion of various components of the food. The small intestine is a major part of the body where the process of digestion takes place and succus entericus is a component of intestine juice present in the small intestine at the time of digestion.