Placental appearances Flashcards Preview

Bioscience for Midwifery- ULO 1-4 > Placental appearances > Flashcards

Flashcards in Placental appearances Deck (8)
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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