May 21, 2017
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HONESTLY what implants to the endometrium. because honestly cliff's ap started off saying the corpus luteum.. then it went on to say the trophoblast -___-... then kaplan says the blastulla.
ughhhh
 

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HONESTLY what implants to the endometrium. because honestly cliff's ap started off saying the corpus luteum.. then it went on to say the trophoblast -___-... then kaplan says the blastulla.
ughhhh
It is a fertilized egg, a.k.a the blastocyst.
 
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May 17, 2008
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HONESTLY what implants to the endometrium. because honestly cliff's ap started off saying the corpus luteum.. then it went on to say the trophoblast -___-... then kaplan says the blastulla.
ughhhh
It's a lot of different terminology but they're mostly saying the same thing. The blastocyst (in humans, the blastula is called the blastocyst) implants into the endometrium. The reason Cliff's later mentions the trophoblast is because the early blastocyst consists of two parts: an outer layer of cells (the trophoblast, which embeds directly into the endometrium) and an inner cell mass.

The corpus luteum is a completely separate structure that is maintained by implantation of a fertilized egg. It's found in the ovary, not embedded in the endometrium.
 
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