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Penda Boma
Human Anatomy Week 6-12
| Term | Definition |
|---|---|
| Secretin | An intestinal hormone that stimulates the pancreas to release bicarbonate-rich fluid to neutralize stomach acid. |
| Gastrin | A hormone that stimulates secretion of gastric acid in the stomach. |
| Lymphatic System | A network of vessels that transport lymph, including absorbed fats, throughout the body. |
| Bile | A digestive fluid made by the liver that emulsifies fats in the small intestine. |
| Micelles | Small transport carriers in the intestine that carry digested fat components to the intestinal cells. |
| Chylomicrons | Lipoprotein particles that transport dietary fats from the intestines through the lymphatics and bloodstream. |
| Gastric Inhibitory Peptide (GIP) | An intestinal hormone that slows gastric emptying and stimulates insulin secretion. |
| Parietal Cells | Stomach cells that secrete hydrochloric acid. |
| Pepsinogen | An inactive enzyme secreted by chief cells in the stomach, converted into pepsin by hydrochloric acid. |
| Absorption | The passage of nutrients from the digestive tract into the blood or lymph. |
| Defecation | The process of eliminating solid waste (feces) from the body through the anus. |
| Emulsification | The process of breaking large fat globules into smaller droplets to aid digestion. |
| Hydrolysis | A chemical reaction that breaks down compounds by adding water. |
| Cholecystokinin (CCK) | A hormone released by the small intestine that stimulates the gallbladder to release bile and the pancreas to release digestive enzymes. |
| Peristalsis | The wave-like muscle contractions that move food through the digestive tract. |