Veterinary Embryology 8.5: For about the first 4 weeks, the ____ circulation is responsible for chorionic vascularization (the area vascularized is quite small). By day 30, this function is taken over by the ____ circulation.

Question

For about the first 4 weeks, the ____ circulation is responsible for chorionic vascularization (the area vascularized is quite small). By day 30, this function is taken over by the ____ circulation.

Magdalena Badenhorst · Accepted Answer

vitelline
umbilical (allantoic)

Veterinary Embryology 8.5

For about the first 4 weeks, the circulation is responsible for chorionic vascularization (the area vascularized is quite small). By day 30, this function is taken over by the circulation.

Vitelline umbilical (allantoic)

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