Kidney embryo Flashcards
done
1
Q
Pronephros: timeline
A
Degenerates by end of wk 4
2
Q
Fxn of mesonephros
A
Interim kidney for 1st trimester; later contributed to male genital sys
3
Q
Ureteric bud: where is it derived from?
A
Caudal end of mesonephric duct
4
Q
Ureteric bud: what does it become/give rise to
A
Ureter
Pelvises
Calyces
Collecting ducts
5
Q
Ureteric bud: when is it fully canalized?
A
10th week
6
Q
What’s the permanent kidney?
A
Metanephros
7
Q
When does metanephros appear? How long does nephrogenesis last until?
A
5th week; 32-36th week
8
Q
What happens w/ interaction of ureteric bud + metanephric mesenchyme?
A
–>induces differentiation and formation of glomerulus-DCT
9
Q
MC site of obstruction(–>hydronephrosis) in fetus?
A
Uretopelvic jxn
