L7 Human embryology and developmental biology
6 important questions on L7 Human embryology and developmental biology
Name twi organ systems that are unlikr the rest nog fully developed after the 8th week (so after the embryonic period) :
The urinary tract/system
Cleavage and blastulation process
In what order does this happen?
4-cell stage
8-cell stage
morula -> 16
early blastocyst
late blastocyst
Which cells are forming the outer layer of the blastocyst and provide nutrients and form large part of the placenta?
How is the thick transparent membrane that surrounds the ovum (in mammal) before implantation called?
Zona pellucida
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Week 2: bilaminar embryo and fully implantation
Cytotrophoblast is made up of:
- amnioblasts
- lining 1ste yolksac
- extra-embryonic mesoderm
Placentation: trophoblast formation & gastrulation
Formation of extra embryonic mesoderm and secondary yolk sac.
Which component is responsible for the formation of the extra embryonic mesoderm?
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