evagination

noun evag·i·na·tion \i-ˌva-jə-ˈnā-shən\

Definition of EVAGINATION

: an act or instance of everting

: a product of eversion : outgrowth

Late Latin evagination-, evaginatio, act of unsheathing, from Latin evaginare to unsheathe, from e- + vagina sheath

First Known Use: circa 1676

Medical Dictionary

noun evag·i·na·tion \i-ˌvaj-ə-ˈnā-shən\

: a process of turning outward or inside out <evagination of a plasma membrane>

: a part or structure that is produced by evagination—called also outpocketing, outpouching

—evag·i·nate \i-ˈvaj-ə-ˌnāt\ transitive verb, evag·i·nat·ed evag·i·nat·ing

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