Urinary system Flashcards
1
Q
Role of sympathetic innervation to the bladder?
A
Bladder neck closure and detrusor muscle relaxation to allow bladder filling
2
Q
Sympathetic bladder innervation arises from which nerves?
A
T10-L2
3
Q
Role of parasympathetic innervation of the bladder?
A
Internal sphincter relaxation and detrusor contraction
4
Q
Parasympathetic bladder innervation arises from which nerves?
A
S2-S4
5
Q
What is the outer wall of the bladder?
A
The adventitia
6
Q
What are the layers of the bladder?
A
mucosa (transitional epithelium), submucosa, detrusor muscle, adventitia
7
Q
What is the detrusor muscle composed of?
A
Two longitudinal layers sandwiching a middle smooth muscle circular layer
