Term
|
Definition
| Simple, stratified, psuedostratified |
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Term
|
Definition
| Cuboidal, columnar, squamous |
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Term
| Salivary amylase (ptyalin) |
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Definition
| Hydrolzes starch into smaller sugars (maltose & dextrin) |
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Term
|
Definition
| Catalyzes hydrolysis of lipids |
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Term
| Lower esophageal (cardiac) sphincter |
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Definition
| Muscular ring which opens from esophagus into stomach |
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Term
|
Definition
| Produce mucus protecting muscular wall of stomach from acidic/proteolytic environment |
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Term
| Chief cells & parietal cells (Gastric juice) |
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Definition
| Chief cells secrete pepsinogen (zymogen form of pepsin); parietal cells secrete HCl which activates pepsin |
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Term
|
Definition
| Hormone inducing stomach to release more HCl and mix contents of stomach into chyme |
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Term
|
Definition
| Passageway for food from stomach to duodenum of small intestine |
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Term
|
Definition
| Duodenum, jejunum, ileum (Dow Jones Industrial) |
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Term
|
Definition
| 8.5; neutralizes acidic chyme |
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Term
|
Definition
| Breaks down polysaccharides into disaccharides |
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Term
|
Definition
| Trypsinogen, chymotrypsinogen, elastinogen, carboxypeptidase (all in zymogen form) |
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Term
|
Definition
| Produced by small intestine; activates trypsinogen -> trypsin, which activates other zymogen peptidases |
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Term
|
Definition
| Secreated by pancrease, breaks down fats to free fatty acids |
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Term
|
Definition
| Produced by liver, stored in gall bladder. Composed of salts, pigments, cholesterol. Released to duodenum via bile duct |
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Term
|
Definition
| Released by small intestine to trigger bile release; activated by movement of chyme from stomach |
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Term
|
Definition
| Allow for emulsification of immiscible aqueous chyme and lipid fats |
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|
Term
| Small intestine disaccharidases |
|
Definition
| Maltase, lactase, sucrase |
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Term
|
Definition
| Causes pancreatic juice release |
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Term
|
Definition
| Slows movement of chyme for increased time for digestion |
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|
Term
| Carbohydrate and amino acid absorption |
|
Definition
| Active transport and facilitated diffusion from epithelial ells into capillaries; then to liver via hepatic portal circulation |
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Term
|
Definition
| Diffuse into intestinal capillaries w/o transporters, as they are nonpolar and can transverse the membrane |
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Term
| Chylomicrons and their path |
|
Definition
| Insoluble triglycerides that enter lymphatic circulation through lacteals which converge and enter venous circulation |
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Term
|
Definition
| Low-density lipoprotein; chylomicron processing occurs in bloodstream |
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Term
|
Definition
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Term
|
Definition
| cecum (contains appendix,) colon (absorbs water and salts), rectum (feces storage) |
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