evaginate

[ih-vaj-uh-neyt]

verb (used with object)

evaginated, evaginating 

1. to turn inside out, or cause to protrude by eversion, as a tubular organ.

evaginate

/ ɪˈvædʒɪˌneɪt /

verb

1. (tr) med to turn (an organ or part) inside out; turn the outer surface of (an organ or part) back on itself

Other Word Forms

• evagination noun
• evaginable adjective

Word History and Origins

Origin of evaginate¹

1650–60; < Late Latin ēvāgīnātus (past participle of ēvāgīnāre ) unsheathed, equivalent to ē- e- ¹ + vāgīn ( a ) scabbard, sheath ( vagina ) + -ātus -ate ¹

Word History and Origins

Origin of evaginate¹

C17: from Late Latin ēvāgīnāre to unsheathe, from vāgīna sheath

Example Sentences

Evaginate, ē-vaj′i-nāt, v.t. to draw from a sheath.—n.

From Project Gutenberg

The original anterior vesicle from which the hemispheres evaginate is composed, as already shown, of an anterior part or telencephalon and a posterior or thalamencephalon; the whole forming the third ventricle in the adult.

From Project Gutenberg

Evaginate: extruded by eversion; turned inside out when extruded.

From Project Gutenberg

Related Words

• overturn 
• shift