Practical 2 - Station 6: Placenta and Umbillical Cord

Question 1

What is this

Answer 1

Placenta

Question 2

What does the placenta develop from?

Answer 2

The trophoblast after the blastocyst has implanted

Question 3

Which of these is foetal and maternal side and why?

Answer 3

A: Foetal - attachement of umbillical cord

B: Maternal - rough and spongy

Question 4

What are 4 functions of the placenta?

Answer 4

Gas exchange

Excretion

Nutrients

Immunity

Question 5

When does the placenta physiologically seperate from the uterine wall?

Answer 5

3rd stage of labour

After foetal delivery

Question 6

Identify the structures and what is it?

Answer 6

Umbillical Cord

Two eyes = umbillical arteries

Mouth = umbillical vein

Surrounding tissue = whartons jelly

Question 7

What is the function of the umbillical arteries?

Answer 7

Provide deoxygenated blood from the foetus to the mother

Question 8

Which umbillical vein persists during foetal circulation

Answer 8

left umbillical vein

Question 9

What is the function of the umbillical vein

Answer 9

Carry oxygenated blood from the placenta to foetus

Question 10

What does the left umbillical vein become in the foetus

Answer 10

Ligamentum teres of the liver