Term
Describe the electrical activity of the GI tract |
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Definition
Electrical Control Activity(slow waves)
modulate the SM membran potention
Electrical Response Activity
Summation of action potentials causing contraction |
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Term
What are the different contractions of the GI? |
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Definition
Phasic Contractions
Paristaltic
Anti-paristaltic
Segmenting
Tonic Contractions
Sphincters
Stomah/Gallbladder emptying |
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Term
What is the slow wave rate in the stomach and small intestine?
What GI organ does not have slow waves? |
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Definition
Stomach: 3 cycles per minute
Small Intestine: 12 cycles per minute
No slow waves: Esophogus |
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Term
What are the major deficiencies seen in
Celiac Sprue
Crohn's
Ileal Resection >100 cm |
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Definition
Celiac Sprue: Fe, Ca, Mg
Crohn's: B12
Ileal Resection >100 cm: Bile Salts |
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Term
Why is small bowel transplant not typical? |
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Definition
Contains vast immune cells-> Graft vs Host |
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Term
What are the components of the intestinal immune system? |
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Definition
GALT
Meseteric Nodes
Reticulo-Endothelial System |
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