pregnancy Flashcards
1
Q
zygote
A
diploid cell produced at fertilization
2
Q
morula
A
solid sphere produced by cleavage divisions
3
Q
blastula
A
larger ball after 4.5 to 5 days, enters the uterus
4
Q
blastocyst
A
at 6 days, it attaches to the uterine wall
5
Q
embryo
A
formed by the inner cell mass
6
Q
fetus
A
after the first trimester, the embryo is a fetus