Int Dx Review
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Narrow zone in the esophagus where food can get stuck normally • •
At aortic notch Just below circoid cartilage
Abnormal areas of narrowing of esophagus • •
If atherosclerosis then aorta can unwind and push on esophagus If CHF then L atrium can hypertrophy and push on esophagus
Stomach • • • • •
Protein broken down Muscular churner Rugae – fold in stomach to ↑ surface area Pepsin, HCL, Gastrin Intrinsic factor – binds to B12 for absorption later
Duodenum • • • • • •
C-shaped To get around pancreas 4 parts o 1st, 2nd, 3rd, 4th Pancreas secretes amylase and lipase Enzymes bind to bile Transported to by common bile duct (hepatic and cyst)
Jejunum •
Absorption
Ileum •
Absorption
Secum • •
Junction Storage
Colon •
Resorption of water
At aortic notch Just below circoid cartilage
Abnormal areas of narrowing of esophagus • •
If atherosclerosis then aorta can unwind and push on esophagus If CHF then L atrium can hypertrophy and push on esophagus
Stomach • • • • •
Protein broken down Muscular churner Rugae – fold in stomach to ↑ surface area Pepsin, HCL, Gastrin Intrinsic factor – binds to B12 for absorption later
Duodenum • • • • • •
C-shaped To get around pancreas 4 parts o 1st, 2nd, 3rd, 4th Pancreas secretes amylase and lipase Enzymes bind to bile Transported to by common bile duct (hepatic and cyst)
Jejunum •
Absorption
Ileum •
Absorption
Secum • •
Junction Storage
Colon •
Resorption of water
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