Agriculture Reference
In-Depth Information
Figure 6.35
The genital apparatus in the female: A. Dorsal view, dorsal wall partially removed;
B. Vulva.
called placenta. The placental phase starts during the trans-
formation of the embryo into the fetus. The placentation is
a term that defi nes the formation and the attachment of the
placenta to the uterus. The placenta is an organ responsible
for the nutrition of the fetus, the exchanges with the mother,
and the protection of the fetus. It consists of a maternal
part and a fetal part. The combination between the carun-
cles (of the uterus) and the cotyledons (of the placenta)
