Animal development- #1

Hollow ball of cells

• gastrula

• blastocoel

• blastula

• morula

Ball of cells filled with fluid

• gastrula

• archenteron

• blastula

• morula

Solid ball of cells

• gastrula

• archenteron

• blastula

• morula

sperm and eggs cells combining

• implantation

• cleavage

• fertilization

• gastrulation

fertilized egg

• gastrula

• zygote

• fetus

• blastopore

embryo eventually develops from a zygote by this process

• gastrulation

• cleavage

• fertilization

• ovulation

cavity in a blastula/blastocyst

• blastocoel

• archenteron

• blastopore

• endoderm

primitive gut

• blastopore

• archenteron

• blastocoel

• embryo

cavity created by gastrulation

• blastopore

• archenteron

• blastocoel

• anus

cells migrate inward

• development

• mitosis

• cleavage

• gastrulation