Term
| What are the three layers of the placenta? |
|
Definition
-chorion
-allantois
-amnion |
|
|
Term
| True or False: Chorion and Allantois are opposite sides of the Chorioallantois membrane. |
|
Definition
|
|
Term
Categorize the placenta of the following species:
a) humans/non-human primates
b) dogs
c( ruminants
d( cats
e) horses
f) pigs |
|
Definition
a) discoid
b) zonary
c) cotyledonary
d) zonary
e) diffuse microcotyledonary
f) diffuse |
|
|
Term
| What does it mean to have an epithelial-chorial placenta? Which animals have epithelial-chorial placentas? |
|
Definition
-epithelium of the endometrium interfaces with the chorion
-horse, cow, pig, goat, sheep |
|
|
Term
| What does it mean to have an endothelial-chorial placenta? Which animals have this? |
|
Definition
-endothelium of the endometrium interfaces with the chorion
-dog and cat |
|
|
Term
| What does it mean to have a hemochorial placenta? Which species have this? |
|
Definition
-chorion of the placenta is bathed in the mother's blood
-humans |
|
|
Term
| What is immunologically special about the placenta? |
|
Definition
| -does not express MHC complexes |
|
|
Term
| In which species does adventitial placentation occur? |
|
Definition
|
|
Term
| Which animal has a placental star? |
|
Definition
|
|
Term
| What is a red bad delivery? |
|
Definition
| -premature placental separation |
|
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