Placental appearances Flashcards
1
Q
Placenta
Describe: the Membranes
A
- 2x membranes
- Chorion (thick, opaque, maternal side, friable)
- Amnion (stronger, clear and smooth, fetal side)
2
Q
Placenta
Describe: Umbilical cord
A
- 2cm thick
- wrapped in amnion
- contains Wharton’s jelly
- 1 vein, 2 arteries
3
Q
Placenta
Describe: Succenturuate Lobe Placenta
A
- there is a small lobe/s attached to the main placenta
4
Q
Placenta
Describe: Bipartite Placenta
A
- 2 separate parts of the placenta
5
Q
Placenta
Describe: Velamentous Insertion of the cord
A
is when the cord is inserted in the membrane of the placenta with the placenta developing behind thath
6
Q
Placenta
Describe: Battlrdore insertion of the cord
A
- umbilical cord is inserted into the edge of the placenta
- looks like a battledore
7
Q
Describe: Placenta appearance
A
- round
- defined edge
- bright red tissue
- membranes clear and shiny
- cord inserted into tissue
8
Q
What are the 4 functions of the Placenta
A
Transport
Immunological
Endocrine
Metabolic
