Renal Flashcards
Course of ureters
ureters lie anterior to the internal iliac artery and posterior to the uterine artery
MC structure damaged during GYN procedures (ligation of uterine/ ovarian vessels)
Ureter
- Over common iliac
- (water) Under the (bridge) uterine artery/ vas deferens
MC site of injury in case of a full bladder
Bladder dome
- since it extends into the peritoneal space when full
- intraperitoneal free fluid (urine)
Failure of ureteric bud to dev seen in?
B/l renal agenesis - Potter
Interim 1st trimester kidney derived from which structure?
Mesonephros
» PMM «
Pronephros : w4, degen
Mesonephros : 1st trim kidney, male genitals
Metanephros : w5
What structure forms calyces and collecting ducts?
Ureteric bud
- ureter
- pelvises
- calyces
- collecting ducts
What structure forms DCT?
Metanephric mesenchyme
- glomerulut to DCT
MCC u/l hydronephrosis
Congenital obstruction/ stenosis of ureteropelvic junction
- last to canalize
MCC death in potter sequence
Pulm hypoplasia
- triggered by Oligohydramnios
MCC b/l hydronephrosis
Post urethral valves in males d/t persistent urogenital memb @ bladder and urethral junction
Which structure prevents ascent of kidneys
MC in kidneys w fused inf poles - horseshoe kidney
Inf mesenteric A
- inc risk of hydronephrosis, stones, infection, renal ca
- ass.w Turner, trisomy 13, 18, 21
Which neutral AA transporters are present in proximal renal tubular cells?
Tryptophan
- def in Hartnup disease
- Pellagra ~ Sx
- Tx: high protein diet + Nicotinic acid