Placenta Flashcards
1
Q
What is a placenta?
A
the site of nutrients and gas exchange between mother and fetus.
2
Q
Fetal component
A
- Cytotrophoblast
- Syncytiotrophoblast
3
Q
Describe cytotrophoblast? what does it do?
A
inner layer of chorionic villi. Cyto makes cells.
4
Q
Describe Syncytiotrophoblast? What does is do?
A
outer layer of chorionic villi; secretes HCG (Human Chorionic Gonadotropin)
5
Q
Maternal Component
A
Decidua Basalis- Derived from the endometrum. Maternal blood in lacunae
6
Q
Placental Membrane consists of?
A
- Fetal trophoblast (syncytiotrophoblast & cytotrophoblast)
- Fetal connective tissue
- Endothelium of fetal capillary