eccentric implantation

ec·cen·tric im·plan·ta·tion

implantation in which the blastocyst lies in a uterine crypt, as in the mouse, rat, and hamster.

eccentric implantation

Etymology: Gk, ek, out, centre, center
(in embryology) the embedding of the blastocyst within a fold or recess of the uterine wall, which then closes off from the main cavity.
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