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9 Cards in this Set

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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
Finger like projections of the lining increase SA for absorption by a factor of 10
Villus(Villi)
Folding of the plasma membrane of the cells lining the villus
increase SA for absorption by a factor of 20
Microvilli
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
add secretions to small intestine
Accessory digestive glands
Lipase, amylase, proteinases, nucleases - ENZYMES

Bicarbonate- BUFFER
Pancrease
produces bile which emulsifies fat
Liver
Breaks large fat globules down into smaler ones and increases efficiency of enzyamatic digestion into small intestine
bile
Stores, concentrates and releases bile
gallbladder