Unit III: Urogenital System

Question 1

The urogenital ridge consists of the:

Answer 1

1. nephrogenic cord

2. gonadal ridge

Question 2

3 pairs of kidneys

Answer 2

1. pronephros
2. mesonephros
3. metanephros

Question 3

What becomes the adult kidney?

Answer 3

Metanephros

Question 4

What does the metanephros develop from?

Answer 4

1. ureteric bud

2. metanephrogenic blastema

Question 5

T/F: nephron formation is complete at birth

Answer 5

True- a low number or damage can have serious health consequences

Question 6

Do the kidneys descend or ascend?

Answer 6

Ascend

Question 7

What are extrasolar arteries?

Answer 7

1. present in adults

2. caudal branches fail to degenerate

Question 8

What is renal agenesis?

Answer 8

1. absence of the kidney
2. unilateral
3. bilateral-> oligohydramnios-> incompatible with life

Question 9

What is polycystic kidney disease?

Answer 9

1. many cysts
2. renal insufficiency
3. 80% of infants now survive it because of dialysis and transplant

Question 10

Where does the bladder develop from?

Answer 10

Vesical part of the urogenital sinus

Question 11

Where is the bladder in infants and children under 6?

Answer 11

Abdomen

Question 12

Where is the bladder in children over 6 to puberty?

Answer 12

False pelvis

Question 13

Where is the bladder in adolescents and adults?

Answer 13

True pelvis

Question 14

2 pairs of dental ducts

Answer 14

1. mesonephric

2. paramesonephric

Question 15

Later development of the female genital system (does/does not) depend on hormones

Answer 15

Does

Question 16

Where do primordial germ cells migrate along?

Answer 16

Dorsal mesentery to the gonads

Question 17

What is uterus didelphys?

Answer 17

1. double uterus
2. paramesonephric ducts do not fuse
3. double vagina may occur