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a and p lab sem. 2
digestion anatomy
| Question | Answer |
|---|---|
| lumen | opening |
| mucosa | mucus membrane/ epithelial tissue |
| submucosa | connective tissue |
| muscular | muscle tissue |
| serosa | visceral peritoneum (layer that coveres the organ in the abdominal cavity) |
| musculairs mucosa | between mucosa and submucosa |
| simple columnar epithelium | make up stomach and small intestine mucosa; contain goblet cells and basement membrane |
| stratified squamous epithelium | esophagus mucosa |
| loose (areolar) connective tissue | submucosa |
| reticular connective tissue | reticular fibers (provide structure); make up lymphnodes and liver |
| smooth muscle | muscular layer; moves on own during digestion |
| goblet cells | secrete mucus and help digest lactose by secreting an enzyme |
| villus | in the intestines; increase surface area to help with better digestion and absorption |
| lacteal | lymphatic capillary that absorbs fats during digestion in the small intestine |