caveolin
noun
cav·e·o·lin
| \ ˌka-vē-ˈō-lən
\
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Medical Definition of caveolin
: any of several membrane proteins that are the major structural components of caveolae
The shape and structural organization of caveolae are conferred by caveolin, a dimeric protein that binds cholesterol …— Sean D. Conner et al., Nature, 6 Mar. 2003