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9 Cards in this Set
- Front
- Back
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Large folds in the lining of the small intestine
Increases surface area for absorption by a factor of 2 to 3. |
Plicae Circluares
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Finger like projections of the lining increase SA for absorption by a factor of 10
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Villus(Villi)
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Folding of the plasma membrane of the cells lining the villus
increase SA for absorption by a factor of 20 |
Microvilli
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LARGE INTESTINE:
_____ in length NO PLICAE CIRCLUARES OR VILLI FUNCTION: APRX: 1400 ML/DAY COMPACTS AND ELIMINATES FECES: -WATER, INORGANIC SUBSTANCES, ROUGHAGE, FAT, UNDIGESTED PROTEIN,DEAD CELLS, BILE PIGMENT LIMITED VITAMIN SYNTHESIS BY ____________________ |
1.5 m
WATER AND ELECTROLTE ABSORPTION RESIDENT BACTERIA |
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add secretions to small intestine
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Accessory digestive glands
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Lipase, amylase, proteinases, nucleases - ENZYMES
Bicarbonate- BUFFER |
Pancrease
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produces bile which emulsifies fat
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Liver
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Breaks large fat globules down into smaler ones and increases efficiency of enzyamatic digestion into small intestine
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bile
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Stores, concentrates and releases bile
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gallbladder
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