villus
noun
\
-(ˌ)lē
\
Definition of villus
: a small slender often vascular process: such as
a : one of the minute finger-shaped processes of the mucous membrane of the small intestine that serve in the absorption of nutriment
b : one of the branching processes of the surface of the chorion of the developing embryo of most mammals that help to form the placenta
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More Definitions for villus
villus
noun
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Kids Definition of villus
: one of the tiny extensions shaped like fingers that line the small intestine and are active in absorbing nutrients
villus
noun
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Medical Definition of villus
: a small slender vascular process: as
a : one of the minute fingerlike processes which more or less thickly cover and give a velvety appearance to the surface of the mucous membrane of the small intestine and serve in the absorption of nutriment and of which each has a central blindly ending lacteal surrounded by blood capillaries and covered with epithelium
b : one of the branching processes of the surface of the chorion of the developing embryo of most mammals that are restricted to particular areas or diffusely arranged and over parts of the surface become vascular and help to form the placenta
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