erection Flashcards
1
Q
what is erection caused by physiologically?
A
sacral parasympathetic mediated relaxation of corpus cavernosum and corpus spongiosum
2
Q
what is penis drop caused by physiologically?
A
sacral mediated relaxation of corporal trabeculi and penis retractor muscles
3
Q
A
4
Q
what triggers emission of semen?
A
thoracolumbar contraction of the ampula, the deferent duct, seminal vesicle, prostate, and the bulbourethral glands
5
Q
what muscle is involved in the bladder neck closure?
A
the smooth muscle of the bladder neck
6
Q
what is ejaculation mediated by?
A
sacral mediated contractions of the bulbocavernous, ischiocavernus, and the urethral muscle
7
Q
what is detumescence controlled by?
A
sacral parasympathetic mediated contraction of penis retractor, corpus spongiosum and cavernosum
