Meaning of VILLUS
| Pronunciation: | | 'vilus
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 WordNet Dictionary |
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| | Definition: | | [n] a minute hairlike projection on mucous membrane |
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| | See Also: | | appendage, chorionic villus, outgrowth, process | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Vil"lus\, n.; pl. {Villi}. [L., shaggy hair, a tuft of
hair.]
1. (Anat.) One of the minute papillary processes on certain
vascular membranes; a villosity; as, villi cover the
lining of the small intestines of many animals and serve
to increase the absorbing surface.
2. pl. (Bot.) Fine hairs on plants, resembling the pile of
velvet.
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| Biology Dictionary |
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| | Definition: | | A villus is a small, hair-like vascularized process on the free surface of a membrane. Example: villi of the small intestine : 20 to 40 villi per mm2 of mucosa. Each villi is a fingerlike projection, 0.5 to 1 mm long, covered by a single layer of columnar epithelium and containing a network of capillaries and a lymphatic vessel called a lacteal. |
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