Examlex
The placenta develops early in pregnancy but it takes several weeks before it is fully functional. What is its function?
Germinal Period
The period of prenatal development that takes place in the first two weeks after conception. It includes the creation of the zygote, continued cell division, and the attachment of the zygote to the uterine wall.
Ectoderm
The outermost layer of cells or tissue of an embryo in early development, giving rise to the skin and nervous system.
Prenatal Development
The progression of maturation and evolution inside the uterus from the moment of conception until the time of delivery.
Germinal
The initial stage of prenatal development that spans from conception to the first two weeks, characterized by rapid cell division and the establishment of the embryo.
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