Placental appearances

Question 1

Placenta

Describe: the Membranes

Answer 1

• 2x membranes
• Chorion (thick, opaque, maternal side, friable)
• Amnion (stronger, clear and smooth, fetal side)

Question 2

Placenta

Describe: Umbilical cord

Answer 2

• 2cm thick
• wrapped in amnion
• contains Wharton’s jelly
• 1 vein, 2 arteries

Question 3

Placenta

Describe: Succenturuate Lobe Placenta

Answer 3

• there is a small lobe/s attached to the main placenta

Question 4

Placenta

Describe: Bipartite Placenta

Answer 4

• 2 separate parts of the placenta

Question 5

Placenta

Describe: Velamentous Insertion of the cord

Answer 5

is when the cord is inserted in the membrane of the placenta with the placenta developing behind thath

Question 6

Placenta

Describe: Battlrdore insertion of the cord

Answer 6

• umbilical cord is inserted into the edge of the placenta

- looks like a battledore

Question 7

Describe: Placenta appearance

Answer 7

• round
• defined edge
• bright red tissue
• membranes clear and shiny
• cord inserted into tissue

Question 8

What are the 4 functions of the Placenta

Answer 8

Transport
Immunological
Endocrine
Metabolic