Lower GI I Flashcards
1
Q
What section of the small intestine are Brunner’s glands located?
A
In the duodenum
2
Q
What section of the small intestine are deep crypts of Lieberkuhn located?
A
duodenum
3
Q
What type of glands are crypts of Lieberkuhn?
A
simple tubular glands within the intestinal mucosa
4
Q
What types of cells are within the crypts of the Lieberkuhn?
A
- goblet cells
- enterocytes
- paneth cells
- enteroendocrine cells
5
Q
What cells within the crypts of Lieberkuhn secretes peptide hormones and serotonin?
A
Enteroendocrine cells
6
Q
What cells of the crypts of Lieberkuhn have prominent eosinophilic granules?
A
paneth cells of the duodenum
7
Q
What is the function of enterocytes within the crypts of Lieberkuhn?
A
- produce disaccharides
- involved in absorption of proteins, carbohydrates, and lipids
- enzymes for carbohydrate digestion
- produce enteropeptidase (enterokinase) for activation of pancreatic zymogens and proenzymes
8
Q
What 3 sections makes up the small intestine?
A
- duodenum
- jejunum
- ileum
