Introduction
The cardiovascular system is derived from the mesoderm germ layer. In the middle of the third week, the vascular system appears by which caradiac progenitor cells lie in the epiblast; lateral to the primitive streak. They migrate through the streak rostrally to reside in the splanchnic laye of the later plate mesoderm. The cardiovascular system is the first system that forms and starts to work in the embryo. Heart starts to beat by day 22 and extends to develop until the frist postnatal months.
Cardiovascular system development divides into:
a) Heart Development
b) Vascular Development
Cardiovascular system development divides into:
a) Heart Development
b) Vascular Development
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