A&P II Notes April 24

A&P II - Anatomy Physiology II Notes Digestion cont Bile o Gallbladder is stimulated and contracts and releases bile into the duodenum

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Digestion cont. Bile o Gallbladder is stimulated and contracts and releases bile into the duodenum – presence of  fat in duodenum leads to an increase in CCK (hormone) which stimulates this contraction  of the gallbladder If gallbladder is removed, the duct from the liver is connected to the duodenum  and bile drips in – have to be mindful of consumption of fat o Bile salts – active ingredients, made from cholesterol, amphipathic – a part of the  molecule is hydrophobic and part that is hydrophilic (like many detergents) –  emulsification process of lipids o Color – green because the liver puts in a pigment from hemoglobin Test for liver function – for pigment (bilirubin??) not good if it’s in the blood Intestinal juice – aqueous secretion that contains some enzymes that aid in the breakdown  process o Maltase – breaks down maltose into two glucose o Sucrase – breaks down sucrose into fructose and glucose o Lactase – breaks down lactose into galactose and glucose
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This note was uploaded on 04/18/2008 for the course BI 132 taught by Professor Halpern during the Spring '07 term at BC.

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A&P II - Anatomy Physiology II Notes Digestion cont Bile o Gallbladder is stimulated and contracts and releases bile into the duodenum

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