<P> On the endometrium , the apposition is usually made where there is a small crypt in it , perhaps because it increases the area of contact with the rather spherical blastocyst . </P>
<P> On the endometrium , the apposition is usually made where there is a small crypt in it , perhaps because it increases the area of contact with the rather spherical blastocyst . </P>
where does implantation of the blastocyst take place
where does implantation of the blastocyst take place
the endometrium
the endometrium