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15 Cards in this Set
- Front
- Back
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Small Intestine |
Contents of the stomach enter the small intestine, where digestion of foodstuffs it completed and nutrients are absorbed. |
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Increase service area |
A. Circular folds B. Villi C. Microvilli |
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Circular folds |
visible folds of the mucosa and submucosa |
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Villi |
microscopic fingerlike folds of the mucosa only |
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Microvilli |
projections of the cell membrane from the luminal surface of the simple columnar epithelium, not visible microscopically ( appear as brush border) |
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The epithelium contains |
goblet cells that produce mucous, which helps protect the intestinal lining and provide lubrication |
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Lymphatic Nodules |
are located in the mucosa |
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capillaries |
(absorb most nutrients) and lacteals (absorb) dietary fats) are also located in the mucosa |
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muscularis |
consisting of two smooth muscle layers |
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Outer __________, since most of the small intestine is intraperitoneal |
Serosa |
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Large intestine |
functions : absorb water and compact waste products as feces. The simple columnar contains many goblet cells, which help lubricate the epithelium to ease the passage of feces. There are no villi or microvilli present. |
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Pancreas |
Second largest accessory organ in the digestive system. The exocrine portion consists of grapelike bundles of cells called acini, which produce many substances that are important for digestion, including pancreatic amylase and bicarbonate. The endocrine portion consists of islets, which produce glucagon and insulin. |
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Liver |
largest organ in the digestive system, numerous vital functions including : A. Production of bile B. Detoxication of the blood C. Storage of nutrients hepatic lobule is the functional and structural unit |
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Hepatic Lobule |
Has a centrally located central vein, which eventually drains into the left and right hepatic veins, which drain into the inferior vena cava |
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Hepatic Lobule |
At the outer edge of the hepatic lobules are portal triads. |
