Simple columnar epithelium
| Simple columnar epithelium | |
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| Vertical section of a villus from the dog’s small intestine. X 80. (Simple columnar epithelium labeled at right, third from top.) | |
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| Transverse section of a villus, from the human intestine. X 350. a. Basement membrane, here somewhat shrunken away from the epithelium. b. Lacteal. c. Columnar epithelium. d. Its striated border. e. Goblet cells. f. Leucocytes in epithelium. f’. Leucocytes below epithelium. g. Bloodvessels. h. Muscle cells cut across. |
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| Code | TH H2.00.02.0.02020 |
A simple columnar epithelium is a columnar epithelium that is uni-layered. In humans, a simple columnar epithelium lines most organs of the digestive tract including the stomach, small intestine, and large intestine. Simple ciliated columnar epithelia line the uterus. Simple columnar epithelia are further divided into two categories: non-ciliated and ciliated.
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[edit] Ciliated
Ciliated columnar epithelia move mucus and other substances via cilia, and are found in the upper respiratory tract, the Fallopian tubes, the uterus, and the central part of the spinal cord.
A ciliated columnar epithelium lines the lumen of the uterine tube, where currents generated by the cilia propel the egg cell toward the uterus.
[edit] Additional images
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Types of epithelium.
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Histology of gallbladder.
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Layers of stomach wall.
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Vertical section of mucous membrane of human uterus.
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lining of gallbladder
[edit] References
[edit] External links
- Histology at KUMC epithel-epith05 "Gall bladder" - Simple columnar epithelium
- UIUC Histology Subject 1061 - Uterine tube lumen
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