| first stages | day 3 | gastrulation |
|---|---|---|
|
what happens on day zero
fertilization
|
What is the morula
mass of dividing cells
|
What is the primitive streak
a crease that is opened fro cells to get through the hypoblast
|
|
What is ovulation
the egg is released from the ovary and the fimbriae pushes it out
|
What layers do a blastocyst become during gastrulation
the ectoderm, the mesoderm, and the endoderm.
|
What does the hypoblast form
endoderm
|
|
how does the sperm move
the uterine muscle propel it up
|
What is implantation
when the trophoblast infiltrates to the lining of the uterus
|
|
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What happens when the sperm and egg fuse
the egg continues meiosis two
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What are the parts of the trophoblast
syncytiotrophoblast and cytotrophoblast
|
|
|
What is cleavage
rapid division of smaller cells
|
What parts like up "you" on day 9
epiblast and hypoblast
|
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