01.1 Development of the Reproductive Tract

Question 1

What is the origin of the reproductive tract?

Answer 1

Urogenital ridge - intermediate mesoderm

Question 2

What drives the development of the male reproductive tract?

Answer 2

SRY gene on y chromosome

Question 3

What does the gonad form from?

Answer 3

Mesoderm (primordial germ cells then migrate in)

Question 4

What does the mesonephric duct become in men and women?

Answer 4

Men - Vas deferens (suported by androgens)

Women - Degenerates

Question 5

What does the paramesonephric duct become in men and women?

Answer 5

Men - degenerates (MIH)

Women - fallopian tubes and uterus

Question 6

What forms the scrotum?

Answer 6

Genital swellings

Question 7

What forms the penile urethra?

Answer 7

Genital fold fusion

Question 8

What forms the clitoris?

Answer 8

Genital tubercle

Question 9

What forms the labia?

Answer 9

Labia majora - Genital swelling

Labia minora - Genital fold

Question 10

What happens in men if the genital fold doesn’t fuse properly?

Answer 10

Hypospadias