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Human embryonic development - Coggle Diagram
Human embryonic development
zygote
Fertilized egg cell that results from the union of a female gamete with a male gamete.
Fertilization
The process of combining the male gamete, or sperm, with the female gamete, or ovum.
Neurulation
The formation of the neural tube and neural crest cells
This process begins on day 23 after fertilization, and it takes 5-6 days to be completed
Gastrulation
During gastrulation, the two cell layers become three germ cell layers, and the bodily axes that apear on adults are created
This is a process of cellular rearrangement, which involves migration , invagination and differentiation of epiblast
Implantation
Implantation is the process in which the embryo travels down the falopian tube and burrows into the uterus, where it will remain until delivery
The process of implantations takes plae eight days after fertilization
Blastocyst
A distinctive stage of a mammalian embryo. It is a form of blastula that develops from a berrylike cluster of cells, the morula.
