1) Biological process 2) Implantation 3) Organic process 1) Implantation 
(L. nidus nest) implantation of the conceptus in the endometrium.
Implantation of the conceptus in the endometrium. ... Origin: L. Nidus = nest ... (18 Nov 1997) ... 
(ni-da´shәn) implantation (def. 1).
Type: Term Pronunciation: nī-dā′shŭn Definitions: 1. Embedding of the blastocyst in the uterine endometrium.
(ni-da;shun) Implantation of the blastocyst into the endometrium of the uterus.
The embedding of the embryo into the endometrium of the uterus so it can establish contact with the mother's blood supply for nourishment. Implantation usually occurs 5-10 days following fertilization of the ovum. Synonym(s): Implantation
implantation of an embryo in the lining of the uterus.