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education/nutrition/Digestive System.md
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@ -61,12 +61,13 @@ Chemical digestion refers to the breakdown of large molecules in food into small
# Definitions # Definitions
| Phrase | Definition | | Phrase | Definition |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | ----------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Lumen | The open space inside of the digestive system | | Lumen | The open space inside of the digestive system |
| Chyme | A semiliquid mass that forms when food mixes with gastric juice. Occurs in the lower stomach | | Chyme | A semiliquid mass that forms when food mixes with gastric juice. Occurs in the lower stomach |
| Motility | The ability of an organism to move independently | | Motility | The ability of an organism to move independently |
| Gastrin | Secreted in response to food entering the stomach, it triggers parietal cells to release HCL and chief cells to release pepsinogen. *Stimulates stomach and small intestinal motility* | | Gastrin | Secreted in response to food entering the stomach, it triggers parietal cells to release HCL and chief cells to release pepsinogen. *Stimulates stomach and small intestinal motility* |
| Secretin | Secreted from the small intestine in response to acidic chyme entering the duodenum and the first part of the jejunum, secretin *stimulates the release of a bicarbonate-rich solution from the liver and pancreas.* | | Secretin | Secreted from the small intestine in response to acidic chyme entering the duodenum and the first part of the jejunum, secretin *stimulates the release of a bicarbonate-rich solution from the liver and pancreas.* |
| Cholecystokinin | Secreted from the small intestine in response to fat and breakdown products of proteins (peptides) entering the small intestine, cholecystokinin *stimulates the release of bile from the gallbladder into the small intestine*. It also stimulates the release of pancreatic enzymes, decreases stomach secretions, and slows stomach motility. | | Cholecystokinin | Secreted from the small intestine in response to fat and breakdown products of proteins (peptides) entering the small intestine, cholecystokinin *stimulates the release of bile from the gallbladder into the small intestine*. It also stimulates the release of pancreatic enzymes, decreases stomach secretions, and slows stomach motility. |
| Pancreas | An accessory organ of the GI tract that produces and secretes many of the enzymes that break down carbs, protein, and fat. It also secretes bicarbonate ions to neutralize the highly acidic chyme coming from the stomach. | | Pancreas | An accessory organ of the GI tract that produces and secretes many of the enzymes that break down carbs, protein, and fat. It also secretes bicarbonate ions to neutralize the highly acidic chyme coming from the stomach. |
| Villi (singular villus) | Small finger like projections that line the inner surface of the small intestine. They help maximize the absorption of nutrients from food. They're covered in an outer layer of absorptive cells called enterocytes. |