01 n. One of the minute papillary processes on certain vascular membranes; a villosity; as, villi cover the lining of the small intestines of man…
pl.
Villi ((#))
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1.
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.(Anat.)
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2.
Fine hairs on plants, resembling the pile of velvet.(Bot.)