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valina [46]
3 years ago
5

A blastocyst is a A blastocyst is a

Biology
2 answers:
kipiarov [429]3 years ago
8 0

Answer:

hollow ball of cells formed after a fertilized cell undergoes cell division

Explanation:

Blastocyte is the name given to a hollow structure, originating from cell divisions that occur after fertilization. It is an embryo 5 or 6 days old (in some cases 7 days) and composed of approximately 200 cells.

Compared to embryos with fewer days, this embryo has a more differentiated cellular structure, composed of a central cavity (blastocele cavity) and two cell types: the <u>trophoectoderm</u> cells (which later will develop and form the placenta) and the cells of the <u>internal</u> <u>mass</u> (which will form the fetus).

The blastocyst represents the stage of embryonic development prior to implantation in the womb.

Alex_Xolod [135]3 years ago
3 0
It is a hollow ball of cells formed after a fertilized cell undergoes cell division.
I'm a Biology major, hope I helped :)
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