Gynae anatomy and physiology

Question 1

3 layers of the uterine wall (from outside to inside)

Answer 1

1. Endometrium
2. Myometrium (3 layers of muscles)
3. Perimetrium/ serosa

Question 2

3 layers of the endometrium (from outside to inside)

Answer 2

1. Stratum compactum
2. Stratum spongiosum
3. Stratum basalis

Question 3

Which part(s) of the endometrium are shed during menses

Answer 3

• Stratum compactum

* Stratum spongiosum

Question 4

Which part(s) of the endometrium are supplied by straight vs spiral arterioles

Answer 4

SPIRAL: stratum compactum + sponguisum

STRAIGHT: stratum basalis

Question 5

On approximately which day of the menstrual cycle does ovulation happen?

Which hormone surge causes this?

Answer 5

Ovulation: day 15

Caused by LH surge

Question 6

Which 3 hormones have peak levels during ovulation (assuming no pregnancy)

Answer 6

1. LH
2. FSH
3. Oestrogen

Question 7

FSH acts on which cells in

• males
• females

Answer 7

FSH

• Sertoli (male)
• Follicular cells (female)

Question 8

LH acts on which cells in

• males
• females

Answer 8

LH

• Leydig (male)
• Theca (female)