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invaginate

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
in·vag·i·nate  (n-vj-nt)
tr. & intr.v. in·vag·i·nat·ed, in·vag·i·nat·ing, in·vag·i·nates
1. To enclose or become enclosed in or as if in a sheath.
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.

[Medieval Latin invgnre, invgnt- : Latin in-, in; see in-2 + Latin vgna, sheath.]

invaginate
vb [ɪnˈvædʒɪˌneɪt]
1. (Medicine / Pathology) Pathol to push one section of (a tubular organ or part) back into itself so that it becomes ensheathed; intussuscept
2. (Life Sciences & Allied Applications / Biology) (intr) (of the outer layer of an organism or part) to undergo invagination
adj [ɪnˈvædʒɪnɪt -ˌneɪt]
(Life Sciences & Allied Applications / Biology) (of an organ or part) folded back upon itself
[from Medieval Latin invāgīnāre, from Latin in-2 + vāgīna sheath]
invaginable  adj
ThesaurusLegend:  Synonyms Related Words Antonyms
Verb1.invaginate - sheathe; "The chrysalis is invaginated"
phytology, botany - the branch of biology that studies plants
sheathe - cover with a protective sheathing; "sheathe her face"
2.invaginate - fold inwards; "some organs can invaginate"
draw in, retract - pull inward or towards a center; "The pilot drew in the landing gear"; "The cat retracted his claws"
intussuscept - introvert or invaginate; "the intussuscepted gut"


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Bone wax was gently placed over the cartilage and round window niche (figure 4, B), and care was taken not to invaginate the round window membrane.
When the inflammation becomes extensive, the epiglottis and the aryepiglottic folds sometimes invaginate through the glottic opening, as the patient generates greater negative pressures with more forceful inspiratory efforts.
Alternatively, a diverticulum that forms within the arachnoidal layers progressively enlarges; this may develop beneath the diaphragma sella or invaginate through it.
 
 
 
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