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Lecture 13
Lecture 13: Digestive System
| Question | Answer |
|---|---|
| Ganglionic Neurons | have nAChr |
| Target Cells | andernergic if in SNS and muscarinic if in PNS |
| Alimentrary Tract | mouth, pharynx, esophagus, stomach, small and large intestine |
| Acessory digestive organs | teeth, tongue, gallbladder, salivary glands, liver, and pancreas |
| Chemical Digestion | catabolic process which begins in the mouth and completed in the small intestine |
| Absorption | passage of nutrients from GI to the blood and lymph, occurs in the small intestine |
| Pepsinogen | requires HCL to form the active enzyme pepsin, required for protein digestion |
| Gastrin | hormones that stimulate gastric secretion |
| Small Intestine | anatomical modifications to increase absorption rate, folds, vili, etc. |
| Liver | produces bile to be released in the duodenum |
| Bile | alkaline solution containing bile salts and triglycerides |
| Gallbladder | storage for bile, when stimulated secretes bile within the duofenum |
| Pancreas | gland that has both endocrine and digestive functions |
| Intestineal Brush Border Enzymes | plasma membrane enzymes that convert oligosaccharides to monosaccharides |
| Bacterial Flora | helps in synthesis of vitamin K and folic acid and metabolizes host's molecules |