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Unformatted text preview: tly absorbed in the stomach aspirin -damage the stomach epithelium The Small Intestinal Phase of Digestion
the bulk of digestion and absorption Liver occurs in the S.I. Gallbladder
Duodenum - short in length, but villus height and number of micovilli (maximize absorption) Jejunum
long in length but villus height is low and microvilli per sell is low 4 02/03/2012 The accessory organs of the small intestine Liver
1. Pancreas 2,
another Note the distinction between the
endocrine and exocrine pancreas sphincter Duodenum Exocrine – uses a duct
9 if duodenal epithelial cells 'sense' fat in the lumen they signal the gallbladder to release bile 1. mechanism of absorption The microvilli as a specialized absorptive structures
Small intestinal mucosa – villi increase surface area to promote
absorption of nutrients
2. most absoprtion occurs here 10 3...
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- Winter '11