Origin of invaginate
Medieval Latin invaginatus, past participle of invaginare, from Latin in- + vagina sheath
First Known Use: circa 1656
Medical Definition of invaginate
1: to cover or enclose (as within the body)
2: to fold in so that an outer becomes an inner surface <invaginate the sac into the lumen—E. A. Graham>
: to undergo invagination <a condition in which a portion of the intestine invaginates into the adjacent segment—New England Journal of Medicine>
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Medical Dictionary: Definition of "invaginate"
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