The outer layer of cells of the blastocyst which works its way into the endometrium during ovum implantation and grows rapidly, later combining with mesoderm.
False pregnancy. The term sometimes refers also to the premenstrual stage of the endometrium because it resembles the endometrium just before implantation of the blastocyst. ...
Delay of embryonal development whereby the blastocyst remains in the uterine cavity for a variable period of time before attaching to the endometrium and continuing ...
Determination of the nature of a pathological condition or disease in the ovum, zygote, or blastocyst prior to implantation. CYTOGENETIC ANALYSIS is performed to determine ...
