Small Intestine Flashcards
1
Q
What are the parts of the small intestine?
A
Duodenum, Jejunum and Ileum
2
Q
What does the villus absorb?
A
NaCl, monosaccharides, amino acids, peptides, fats, vitamins, minerals and water
3
Q
What do Crypt cells do?
A
Secrete Cl and H20
4
Q
How much fluid does the small intestine secrete per day and where does it secrete from?
A
1500ml, epithelial cells lining the Crypts of Lieberkuhn
5
Q
Why is water secretion important for normal digestion?
A
1) maintains lumenal contents in a liquid state
2) promotes ,mixing of nutrients with digestive enzymes
3) aids nutrient presentation to absorbing surface
4) dilutes and washes away hazardous substances
6
Q
What types of movement are involved in intestinal motility?
A
Segmentation and Peristalsis
