Flowchart
Early Embryonic Development
Flowchart content
Zygote
Initial cell formed by the ovum and a sperm cell (DNA derived from both parents)
Cleavage
The division of cells in the early embryo
Blastomeres
The cells derived from cleavage and from the Morula
Morula
The point when the cell has divided into 32 cells
Gastrulation
The blastula is re-organised into three layers called the gastrula
Ectoderm
Mesodem
Endoderm
Blastocyst
The cells of the morula secrete a liquid and the enveloping cells become the blastocyst (outside/placenta, inside/foetus)
Ectoderm: develops into skin and neural tissue
Mesoderm: develops into skeleton and cardiac tissue
Endoderm: develops into digestive and respiratory system
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- Ageing Brain (PS3061) Flowchart on Early Embryonic Development , created by Eleni Blakemore on 28/04/2017.
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- Eleni Blakemore
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