Renal1 Flashcards
Pronephros.
Week 4; then degenerates
Mesonephros.
- Functions interim kidney for 1st trimester
- Contributes to MALE genital system
Metanephros.
- Permanent
- Appears in 5th week gestation
Where is the Ureteric bud derived from?
Caudal end of Mesonephros
What does the Ureteric bud give rise to?
- Ureter
- Pelvises
- Calyces
- Collecting ducts
What is the most common site of renal obstruction in fetus?
Ureteropelvic junction (last to canalize)
Potter’s syndrome.
Oligohydraminos
- compression of fetus
- limb and facial deformities
- pulmonary hypoplasia (cause of death)
What are the causes of Potter’s syndrome?
- ARPKD
- Posterior urethral valves
- Bilateral renal agenesis
Horseshoe kidney:
- ________ poles of both kidneys fuse.
Inferior
Where do horseshoe kidneys get trapped as they ascend from the pelvis?
Under the Inferior Mesenteric A. (IMA)
T/F - Horseshoe kidneys function normally.
True
What syndrome is Horseshoe kidney associated with?
Turner’s syndrome
Multicystic Dysplastic kidney.
- Abnormal interaction btwn Ureteric bud and Metanephric mesenchyme
- Leads to NONfunctinoal kidney
- Cysts & CT
- Unilateral - asymptomatic