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blastocyst or the placenta
Uterus
Boner
The wall of the uterus.
The uterusIt is called a uterus.
uterus
Placenta containng arteriesd and veins .
blastocyst or the placenta
The uterus nourishes the fertilized ovum.
Placenta
A flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord. its from google
placenta
Uterus
The target organ for progesterone is the ovary and the embryo
The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination and gas exchange via the mother's blood supply. (Wikipedia)For the source and more detailed information concerning your request, click under the related links section (Wikipedia) indicated directly below this answer section.
heart
Boner