evaginate

(redirected from evaginations)
Also found in: Dictionary.
Related to evaginations: negativities, stilette

evaginate

(ĭ-văj′ə-nāt′)
tr.v. evagi·nated, evagi·nating, evagi·nates
To cause (a body part) to turn inside out by eversion of an inner surface.

e·vag′i·na′tion n.

evagination

(e-vaj-i-na'shun)
1. Emergence from a sheath.
2. Protrusion of an organ or part. See: invagination
evaginate (-nat), adjective

evaginate

to push out (e.g. a tubular organ), turn inside out or unsheath.
References in periodicals archive ?
ETHMOID SINUS: The ethmoid sinuses begin to form in the third to fifth fetal months, when numerous separate evaginations arise from the nasal cavity.
It is commonly present in the bladder neck and trigone region, where prostatic evaginations during embryonic development have been reported.
The testis, epididymis, and most of the ductus deferens are enveloped by the vaginal tunic, an evagination of abdominal peritoneum that extends through the inguinal canal into the scrotum.
The sinovaginal bulbs are two solid evaginations originating from the urogenital sinus at the distal aspect of the mullerian tubercle, as shown at right (A).
3) The anterior and middle ethmoid cells begin as evaginations from the nasal cavity into the middle meatus at about the third month of fetal development.
The normal pancreas is derived from several evaginations of the wall of primitive duodenum.