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词汇 Intestinal epithelium
分类 英语词汇 英语翻译词典
释义

Intestinal epithelium

原声例句
Osmosis-解剖与生理

Fatty acids and glycerol can easily pass through the small intestinal epithelium and into the lymphatics.

脂肪酸和甘油三酯都能轻易穿过肠壁进入淋巴管。

英语百科

Intestinal epithelium

Proliferative cells residing at the base of the crypts of Lieberkühn produce new epithelial cells which migrate upwards and out of the crypt. Eventually, they are shed into the intestinal lumen.
Transmission electron microscope image of a thin section cut through an epithelial cell. This image shows that the luminal surface (apical end) of the cell is packed with microvilli that make up the absorbing surface. Each microvillus is approximately 1 micrometers long and 0.1 micrometer in diameter.

The intestinal epithelium is the layer of cells that forms the luminal surface of both the small and large intestine (colon) of the gastrointestinal tract. It is composed of non-ciliated simple columnar cells. It has two important functions: absorbing helpful substances and providing a barrier against harmful substances. Some diseases and conditions are caused by dysfunction in the intestinal epithelium, and some diseases and conditions cause problems with these cells, which then leads to further complications.
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