Provides oxygen and nurishment to the featus.
Placenta comes out after each kitten.
Posterior placenta is when the placenta is located at the back of the motherÃ?s uterus. Placenta praevia means the placenta has not moved up towards the top of the uterus to get ready for birth. Grade 2 means the placenta is near the cervix but not blocking it.
No. Turtles lay eggs. Only mammals have a placenta.
the chicken's placenta, as opposed to a human placenta, does not connect the mother to the child. instead, it connects the mother and the egg. the placenta extends from the mother's anus to the top of the egg. this is why the chicken sits on her eggs.
The shape of the placenta of a dissected animal depends on how the dissection has been done. In most cases the shape of the placenta is usually concave in shape.
no
NO
Fetal mammals don't "eat" anything; they get their nutrients through the placenta.
Umbilical Cord
Placenta previa, placenta accreta, placenta increta, and placenta increta are all conditions stemming from abnormal implantation of the placenta.
No. seahorses are ovoviviparous...meaning they produce eggs but their eggs are in the placenta rather than being outside the body!
Placenta comes out after each kitten.
how nutrients,oxygen and waste are exchange between the fetus and the mother
The umbilical cord is attached to the placenta and the placenta is attached to the wall of the uterus
Before placental development the conceptus gets nutrition from uterine secretions. After placentation nutrition comes from the mare via the placenta.
Yes. But the movement is relative. Placenta does not change the position. But lower placenta may move up. So that placenta previa may become normal placenta.
Placenta Previa