Lesson 12 (Part 2) Flashcards
What is transient pyelectasis considered to be?
Normal
When can transient pyelectasis happen?
When patients drink lots of water
- well hydrated
What happens to the calyces and pyramids in transient pyelectasis?
They become more anechoic and more prominent
How is transient pyelectasis resolved?
After emptying the bladder
What does it mean if the whole collecting system is anechoic?
Its not normal
What is it called when its opposite from transient pyelectasis?
Hydronephrosis
What are the 3 sets of kidneys in the embryo?
- Pronephros
- Mesonephros
- Metanephros
When does pronephroni occur?
Early in the 4th week gestation
What happens in pronephros? (2)
- Rudimentary
- Nonfunctioning
- use less kidneys
When does mesonephroni occur?
Late in the 4th week gestation
What does mesonephroni do?
Functions as the interim kidneys
What are metanephroi considered?
The permanent kidneys
What are the 2 sources where metanephroi develop from?
- Ureteric bud
2. Metanephrogenic blastema
What comes from the ureteric bud? (4)
- Ureter
- Renal pelvis
- Calices
- Collecting ducts
What does the ureteric bud interact and penetrates with?
The metanephrogenic blastema