Urological Flashcards
Along what surface does the abdominal portion of the ureters run?
Psoas major
At which points does the ureter narrow?
- Pelviureteric junction
- The pelvic brim
- Ureterifc orifice (narrowest)
What is the the medial umbilical ligament?
Connects the umbilicus to the apex of the bladder
Of no significance, an embryologic remnant
What is the trigone?
Area in the bladde with smooth walls rather than ruggae
Contains the orifices of the two ureters and urethra
Which nerve innervates the external urethral sphincter?
Pudendal (S2-4)
(somatic; voluntary control)
What is the action of the sympathetic nervous system on the internal urethral sphincter?
Relaxes the detrusor → urine retention
What is the action of the parasympathetic nervous system on the internal urethral sphincter?
Contraction of the detrusor → micturition