A) crypts of Leiberkuhn
B) Brunners gland
C) both [a] and [b]
D) none of the above
Correct Answer: C
Solution :
Intestinal glands are of two types- crypts of Lieberkuhn and Brunners glands. The crypts of Lieberkuhn are simple, tubular, structures which occur throughout the small intestine between the villi. The Brunners glands are found only in the duodenum and are located in submucosa. The secretion of intestinal glands is called intestinal juice or saccus entericus. It contains many enzymes- maltase, isomaltase, sucrase, lactase, a-dextrinase, enterokinase, aminopeptidase, dipeptidase, nucleotidases, nucleosidases and intestinal lipase.
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