evagination

noun

evag·​i·​na·​tion i-ˌva-jə-ˈnā-shən 

1

: an act or instance of everting

2

: a product of eversion : outgrowth

Word History

Etymology

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

First Known Use

circa 1676, in the meaning defined at sense 1

Medical Definition

evagination

noun

evag·​i·​na·​tion i-ˌvaj-ə-ˈnā-shən 

1

: a process of turning outward or inside out

evagination of a plasma membrane

2

: a part or structure that is produced by evagination

evaginate

i-ˈvaj-ə-ˌnāt 

transitive verb

evaginated; evaginating