Development

Question 1

From which embryological layer does the urogenital tract arise?

Answer 1

Intermediate Mesoderm

Question 2

Which in turn forms..

Answer 2

Pronephros
Mesonephros
Metanephros

Question 3

Functional kidney arise from which 2 structures?

Answer 3

Metanephric mesoderm-nephron

Ureteric Bud

• collecting ducts
• maj/min calyx
• renal pelvis
• ureter

Question 4

By which week are kidneys functional?

Answer 4

Week 11/12

Question 5

Roughly how many nephrons are there by birth?

Answer 5

1 million

Question 6

In males, what does the Mesonephric duct develop into?

Answer 6

• Epididymis
• Ductus Deferens
• Ejaculatory duct

Question 7

In women, what does the Paramesonephric duct develop into?

Answer 7

• Uterus

- Uterine Tubes

Question 8

What does the cloaca become?

Answer 8

Urogenital Sinus (bladder, urethra, vagina/prostate, glands)
Rectum

Question 9

What does the Urogenital Sinus develop into?

Answer 9

Bladder
Urethra
Prostate/Vagina
Glands

Question 10

Phallus forms?

Answer 10

Penis

Clitoris

Question 11

Urogenital folds?

Answer 11

Ventral aspect of penis

Labia Minora

Question 12

Labioscrotal swellings…

Answer 12

Scrotum

Labia majora

Question 13

What is the name of the sex hormonal axis?

Answer 13

Hypothalamic-Pituitary-Gonadal Axis

Question 14

What does hypothalamus send to the Anterior Pituitary gland?

Answer 14

GnRH

Gonadotrophin releasing hormone

Question 15

FSH and LH target what?

Answer 15

Testes

Ovaries/placenta