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11 Cards in this Set
- Front
- Back
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The Duodenum is approximately _ ft long while the jejunum and ileum together are _ ft long
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The Duodenum is approximately 1 ft long while the jejunum and ileum together are 9 ft long
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The folds of the small intestine are called _____ of _________ while the folds of the stomach are called _____
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The folds of the small intestine are called FOLDS of KERCKRING while the folds of the stomach are called RUGEA
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The finger like projections into the lumen are called _____ they consist of hundreds of ___________ (or absorptive epithelial cells
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The finger like projections into the lumen are called VILLI they consist of hundreds of ENTEROCYTES (or absorptive epithelial cells
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On top of the enterocytes (which make up the _____) are __________ which are hairlike extensions
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On top of the enterocytes (which make up the VILLI) are MICROVILLI which are hairlike extensions
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The microvilli (hairlike extensions of the enterocyte) contain a surface coat called the __________. Together these make up the Brush Border.
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The microvilli (hairlike extensions of the enterocyte) contain a surface coat called the GLYCOCALYX. Together these make up the Brush Border.
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The Brush Border is made up of the __________ and the _________. These are both part of the enterocyte.
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The Brush Border is made up of the GLYCOCALYX and the MICROVILLI. These are both part of the enterocyte.
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Digestive enzymes produced by intestional mucus cells are embedded on the _____ ______. They hydrolyze alread partially digested nutrients
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Digestive enzymes produced by intestnional mucus cells are embedded on the BRUSH BORDER. They hydrolyze alread partially digested nutrients
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Digestion of nutrients is usually completed on the _____ _______ due to the intestional enzymes embedded in them, but digestion may be completed in the cytoplasm of the __________.
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Digestion of nutrients is usually completed on the BRUSH BORDER due to the intestional enzymes embedded in them, but digestion may be completed in the cytoplasm of the ENTEROCYTE.
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Intestinal cell turnover occurs every _ to _ days
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Intestinal cell turnover occurs every 3 to 5 days
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The "valleys" or pits between villi are called Crypts of __________. Constant mitosis occurs here, which migrate upwards replacing enterocytes, but also includes cells producing antimicrobials, antifungals, mucus and endocrine functioning cells
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The "valleys" or pits between villi are called Crypts of __________. Constant mitosis occurs here, which migrate upwards replacing enterocytes, but also includes cells producing antimicrobials, antifungals, mucus and endocrine functioning cells
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The _______ _______ ______ controls the contractions of the small intestine
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The CENTRAL NERVOUS SYSTEM controls the contractions of the small intestine
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