The embryo becomes implanted in the endometrium of the uterus due to

Biology
Tutor: None Selected Time limit: 1 Day

a.special receptors on the endometrium to which the blastocyst attaches

b.enzymes secreted by the trophoblast, which erode an area of the endometrium for entry of the embryo

c.special phagocytic cells in the endometrium , which engulfs the embryo

d.the sticky coat of the zone pellucida, which adheres to the endometrium 

e.the action of hCG secreted by the embryo.

Apr 22nd, 2015

enzymes secreted by the trophoblast, which erode an area of the endometrium for entry of the embryo

Please let me know if you have any other questions and best me if you are satisfactory.

Apr 22nd, 2015

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Apr 22nd, 2015
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Apr 22nd, 2015
Dec 8th, 2016
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