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Embryology Crossword!

Across
End stage of cleavage
Complete cleavage in eggs with small amounts of yolk
End of the zygote with yolk
Innermost extraembryonic layer that protects the embryo
Animal with a true coelom; three germ layers and two cavities
Extraembryonic layer that provides nourishment; reduced in mammals
Triploblast with a mesoderm that only lines one side of the cavity
Egg with abundant yolk at the vegetal pole
Extraembryonic layer that becomes the placenta in mammals
End of the zygote that is mostly cytoplasm
Complete gut animal; the blastopore develops into the anus
Innermost germ layer that develops into the lining of the digestive system
Visible line that forms during cleavage, either parallel or perpendicular to the animal-vegetal axis
Animal with three germ layers
Triploblast with a mesoderm that completely fills the blastocoel
Down
Opening of the gastrocoel
Fertilized egg
New cavity that forms during the gastrula stage; also called the gastrocoel
Middle germ layer that develops into muscles, bones, circulatory system, etc.
Egg with small amount of evenly distributed yolk
Large mass of yolk in the center of the egg
Smaller cells that form as a result of zygote cleavage
Complete gut animal; the blastopore develops into the mouth
Egg with a moderate amount of yolk concentrated at the vegetal pole
Animal with only two germ layers
Cavity formed during the blastula stage
Development with various larval stages due to small amounts of yolk
Stage of development with two germ layers as a result of the blastula bending inward
Development where embryos change into miniature versions of adults, due to presence of lots of yolk
Sex cell (egg or sperm)