Evaginate - definition of evaginate by The Free Dictionary
Also found in: Medical
To cause (a body part) to turn inside out by eversion of an inner surface.
[Latin ēvāgīnāre, ēvāgīnāt-, to unsheath : ē-, ex-, ex- + vāgīna, sheath.]
(Medicine) (tr) med to turn (an organ or part) inside out; turn the outer surface of (an organ or part) back on itself
[C17: from Late Latin ēvāgīnāre to unsheathe, from vāgīna sheath]
e•vag•i•nate (ɪˈvædʒ əˌneɪt)
v.t. -nat•ed, -nat•ing.
to turn inside out, or cause to protrude by eversion, as a tubular organ.
[1650–60; < Late Latin ēvāgīnātus
, past participle of ēvāgīnāre
to unsheath = Latin ē- e
- + -vāgīnāre
, derivative of vāgīna
sheath (see vagina
Past participle: evaginated
References in periodicals archive
In some individuals, an accessory pancreatic duct (of Santorini) is present, a vestige of the pancreas origin (torn two embryonic endodermal primordia that evaginate
from the foregut.
The frontal sinus is part of the anterior ethmoidal cells which evaginate
from the frontal recess directly to the frontal bone.
After ingestion, the protoscoleces evaginate
, attach to the canine intestinal mucosa and develop to adult stages.
The cysticerci evaginate
, attach to the intestinal wall, and develop into sexual mature cestodes.
It is not uncommon for the mucosal epithelium to evaginate
into the lumen to form villous projections (villi).