Development of Urinary System Flashcards
1
Q
Name the 3 overlapping kidney systems
A
pronephros
mesonephros
metanephros
2
Q
What forms glomerulus
A
mesonephric excretory units
3
Q
How many collecting ducts in ureteric bud?
A
1-3 million
4
Q
What is another name for the mesonephric duct?
A
Wolffian duct
5
Q
What happens to kidneys during weeks 6-9?
A
- Shifts from pelvic region to more cranial region of abdomen
- Becomes vascularized as it ascends
- Ascends cos embryo is elongating
6
Q
What happens during weeks 4-7?
A
- Division of cloaca into urogenital sinus and anorectal canal
- Mesonephric duct gradually absorbed into wall of urogential sinus and uteters enter separately
7
Q
What is uteric bud attached to @ week 5?
A
Mesonephric duct
8
Q
What is the “kidney” called @ week 5?
A
Metanephric blastema
