HES 250 Lecture Notes - Lecture 6: Gluconeogenesis, Information Processing, Sucrose

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4 Apr 2017
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Mouth esophagus stomach small intestine large intestine/rectum. From lumen (inside) mucosa (villi) sub-mucosa muscular layer serosa (outside) Lacteal - a lymphatic capillary that absorbs dietary fats; merges to form large lymphatic vessels that transport fats to the left subclavian vein of the circulatory system. Amino-peptidase: amylase, lipase (breaks down fat, trypsin (breaks down proteins in a more neutral ph environment, sodium bicarbonate (creates a more neutral ph environment) Liver: bile (breaks down fat, lipase finishes the job) Starts working when food hits mouth, or even when you smell food. Released by small intestine upon fullness of stomach. Acts on appetite control center in hypothalamus, which tells your brain your stomach is full: gastric inhibitory protein. Thus, enzymes, nahco3, and bile are released into the small intestine. Stimulate the activities of gallbladder & pancreas. Fullness of stomach cck acting on the hypothalamus producing satiety reducing caloric intake. ^ goes into cells (h2o lost in sweat)

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