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What is the name of the blastula stage in humans? What is on the inside what...

What is the name of the blastula stage in humans?

What is on the inside

what do the cells form

what cells form the outside

what do the outside cells form?

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Answer #1

In human zygote form due to fertilization of male sperm and female egg undergoes Cleavage which is rapid cell division first 8 cell stage Morula is formed and it further divide and form a ball of cell with a fluid filled cavity it its center called blastocoel and It is 32 cell blastula stage which is known as blastocyst in human

Hence the blastula stage in human is called Blastocyst

Blastocyst is contain two layer of cell

1)Inside is Inner cell mass which contain two type of cell Epiblast which form Embryo(Ectoderm,endoderm,mesoderm)&

Hypobast which form extra embryonic membrane

And contain Blastocoel filled cavity in the centre

2) Outer most layer is Trophoblast which helps in Implantation and later become part of placenta

Plz upvote my answer Thank you?

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