Placenta Differences
Name one animal that has a zonary placenta
Cats or Dogs
The outermost layer of the placenta
Chorion
The phase of development in which the trophectoderm grows rapidly.
Elongation
The placenta is an organ of ______
Pregnancy detection technique that uses sound waves to visualize the conceptus.
Ultrasound
The type of placenta found in sheep
Cotyledonary
The allantois and the chorion fuse together to form this structure.
The allantochorion
The layer responsible for gas and waste exchange.
Allantois
Proteins secreted by the placenta.
PAGS and PSPB
The most invasive type of placenta
Hemochorial
The part of the ruminant mothers uterus that forms the attachment point for the placenta.
Caruncle.
The germ layer that the placental membranes derive from.
Trophectoderm.
The purpose of the amnion.
To protect the baby.
The luteal phase produces progesterone every cycle.
Name one animal with an epitheliochorial placenta
Ruminants, Horses, Swine
The fetal portion of the placentome in a ruminant.
Cotyledon.
The first layer of the placental membranes to take shape.
The yolk sack
The yolk sac.
Fetal aging technique measuring from the head to the tail of the fetus.
Crown rump length.
The type of placenta found in deer.
Cotyledonary
The term that refers to both the fetus and the placental membranes together as a unit.
The conceptus.
The layer that does not develop vascularity.
The amnion
The layer that ruptures at birth.
Amnion
The proteins most commonly targeted in commercial ruminant pregnancy tests.
PAGS