invaginate

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invaginate

 [in-vaj´ĭ-nāt]
to infold one portion of a structure within another portion.

in·vag·i·nate

(in-vaj'i-nāt),
To ensheathe, infold, or insert a structure within itself or another.
[L. in, in, + vagina, a sheath]

invaginate

(ĭn-văj′ə-nāt′)
tr. & intr.v. invagi·nated, invagi·nating, invagi·nates
1. To enclose or become enclosed in a sheath or similar covering.
2. To turn or become turned inward.
3. To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.

in·vag·i·nate

(in-vaj'i-nāt)
To ensheathe, infold, or insert a structure within itself or another.
[L. in, in, + vagina, a sheath]

invaginate

to infold one portion of a structure within another portion.
References in periodicals archive ?
The neural plate invaginates beneath the epidermal layer to form the neural tube.
The nasolacrimal apparatus arises embryologically from a cord of surface ectoderm that invaginates between the maxillary and frontonasal processes, giving rise to the canaliculi proximally and the lacrimal sac and nasolacrimal duct distally.
In addition to what he termed the sklera and propria in nematocysts of two hydrozoans, Holstein (1981) found that an electron-dense innermost third layer, which he termed the interna, forms when the external tubule (the state designated "preinverted" by Watson, 1988) invaginates.
Intussusception comes from the Latin intussuscipere which means to take in and refers to a bowel that invaginates upon itself.
26) Additionally, there may be a role for sinonasal endoscopic treatment for selected patients with a symptomatic arachnoid cyst that abuts or invaginates into the paranasal sinuses.
At the center of the light organ, the infundibular epithelium invaginates to form the acetabulum, which is seen externally as an opening, or pore (Figs.
When the intussusceptum invaginates and pulls along the mesentery, there is compromise of venous return.
The thyroid gland develops from the median bud of the primitive pharynx at the base of the tongue, and it invaginates like a duct (the thyroglossal duct) caudally.
The tentacle apparatus is composed of an ectodermal component that invaginates to meet an outpocketing of the endoderm.