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Stimulation of Gastric Secreti
on and Motility
15
Physiology
12th Grade
03/13/2009

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Cards

Term
Cephalic Phase
Definition
Senses- sight/smell of food gets stomach going, anticipate food
Term
Gastric Phase #1
Definition
Stomach wall distends, "growls",stretch receptors
Term
Gastric phase #2
Definition
- hormonal fdbk, gastrin stimulates gastric glands to produce HCL and pepsin,pyloric sphincter relaxes
Term
Inestinal Phase
Definition
Hormones released (CCK, Secretin,GIP)Tells stomach to slow down
Term
Gastric Emptying
Definition
stomach gives little bit to sm intestine,indicates stomach stretch, 2-6 hrs before leaves stomach
Term
Order Biomolecules Leave
Definition
Carbohydrates, proteins, lipids
Term
Vomitting
Definition
forceful expulsion of GI, sometimes duodenum
Term
Pancreas Function
Definition
Secrete pancreatic juice to contribute to alkaline fluid
Term
Liver Function
Definition
Create bile (Gall bladder stores bile),detoxification
Term
Small Intestine
Definition
Majority of absorption,villi to increase SA
Term
Peristalisis
Definition
MECHDIG: moving forward
Term
Segmentation
Definition
MECHDIG: localized movement only where chyme is present
Term
Chemical digestion
Definition
Carbs polymers --> monomers,brkdwn lactose, protein digestion, lipids by bile salts,nucleaic acids --> nucleotides
Term
SM. Intestine Motility and REgulation
Definition
chyme tells s.i. to work harder
hormones tell s.i. towork
Term
absorption in s.i.
Definition
nutrients to blood stream and then to cells
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