Term
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Definition
| perform hydrolysis on fatty acids - emulsifies in the duodenum |
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Term
| do rats have a gall bladder? why? |
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Definition
no
they don't eat lipids (or at least not many), so there is no need for the liver to store it there |
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Term
| what 3 enzymes does the pancreas secrete? |
|
Definition
pancreatic amylase
pancreatic lipase
pancreatic protease |
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Term
| what are the 3 surface area adaptations for the rat/human? |
|
Definition
very long small intestine (6 m in humans)
fingerlike projections called villi
tiny hairs on villi, like cilia, called microvilli |
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Term
| what is the name of the way the villi are arranged? |
|
Definition
| simple columnar epithelium |
|
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Term
| what are goblet cells and what do they secrete? what is it for? |
|
Definition
| little cells inside the villi - secrete mucus for lubrication/movement through small intestine |
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|
Term
| what does epithelium mean? |
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Definition
|
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Term
| what is the order of circulation of nutrient absorption? |
|
Definition
| gut --> liver --> heart --> rest of body |
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|
Term
| what is the order of circulation of monosaccharides in absorption? |
|
Definition
| ileum and jéjunum --> glucose --> liver --> stored as glycogen --> released when body needs as glucose |
|
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Term
| what is the order of circulation of fatty acids in absorption? |
|
Definition
ileum and jéjunum --> lymphatic system --> cellular respiration
or
ileum and jéjunum --> circulatoire --> liber --> cellular respiration or stores as Adipose tissue |
|
|
Term
| what is the order of circulation of amino acids in absorption? |
|
Definition
| ileum and jéjunum --> circ. system --> liver (NOT stored) --> distributes to rest of body and assembles species-specific proteins |
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Term
|
Definition
| helps rattus to break down cellulose |
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