Term
| Digestive tract functions |
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Definition
Motility
Secretion
Digestion
Absorption
Storage and Elimination
Immune Barrier |
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Term
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Definition
3 parts
1. oral- muscle of mouth and saliva chew food until it becomes a bolus
2. Pharyngeal- upper esophogeal sphincter relaxes, and uvula lifts to protect nasal passages
3. Esophageal- automatic and controlled by swallowing center of brain stem |
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Term
| mouth pharynx and upper esophagus.... |
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Definition
| lined with skeletal muscle and regulated by somatic motor neurons |
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Term
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Definition
| lined with smooth muscle and controlled by autonomic nervous system |
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Term
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Definition
| storage, churning, digestion, killing food bacteria, moving food into small intestine |
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Term
| stomach regions/components |
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Definition
cardia-where food enters
fundus-top rounded area
body-bottom end
end of stomach-pyloris/pyloric sphincter
lined with-ruggae |
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Term
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Definition
stomach coated with mucus to protect from acid
Parietal cells- HCL and intrinsic factor (absorption of B12 in small intestine)
chief cells- pepsinogen
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Term
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Definition
erosions of the mucosa cause ulcers in the stomach or duodenum
helicobacter pylori- reduces mucous barrier in the stomach |
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Term
| small intestine structure |
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Definition
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Term
| small intestine functions |
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Definition
complete digestion of carbohydrates, proteins, and fats
absorption of nutrients
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Term
| Functions of large intestine |
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Definition
absorption of water, electrolytes, vitamin K and some B vitamins
storage of feces |
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Term
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Definition
largest abdominal organ
very regenerative due to hepatocytes
very permeable |
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Term
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Definition
produced in spleen, liver, and bone marrow
not water soluble
derived from iron |
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Term
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Definition
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Term
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Definition
| stores and concentrates bile from the liver |
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Term
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Definition
endocrine and exocine functions
endocrine-secretes insulin
exocrine-pancreatic juice which becomes secreted into duodenum |
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Term
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Definition
| made from CO2 from the blood |
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