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chief cell |
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chief cell Etymology: Fr, chef; L, cella, storeroom 1 also called zymogenic cell. Any one of the columnar epithelial cells or the cuboidal epithelial cells that line the gastric glands and secrete pepsinogen and intrinsic factor, which are needed for the digestion and absorption of vitamin B12 and the normal development of red blood cells. Pernicious anemia may be caused by the absence of intrinsic factor. 2 any one of the epithelioid cells with pale-staining cytoplasm and a large nucleus containing a prominent nucleolus. Cords of such cells form the main substance of the pineal body. 3 also called principal cell. Any one of the polyhedral epithelial cells, within the parathyroid glands, which contain pale, clear cytoplasm and a vesicular nucleus. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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