Welcome!

Join more than 151,000 members on FunAdvice to ask questions, share advice, photos and make new friends today.

FunAdvice RSS for this page:

Sympathetic and parasympathetic in urination

Asked by psyhennun about 1 year ago, 2 answers.

It's said that parasympathetic action contracts muscles of bladder and relax sphincters so that urination occurs.
But then, why some people urinate reflexly when they fear so much?

Answered by colethky on Jul 23, 2008, 05:08PM
2766 answers

Because their muscles and sphincters are really weak. That's the same reason why a lot of women have little accidents.

Answered by fau on Oct 01, 2009, 11:17AM

In cases of overwhelming fear (e.g., imminent fear of death) the extremely high levels of norepinephrine released into the hypothalamus and amygdala release the central smooth muscle inhibition (GABA based) and the individual may uncontrollably urinate and defecate.

Answer this Question: "Sympathetic and Parasympathetic in Urination"

Our members said the answers on this page also answer the following questions:

Sympathetic urination, Urination sympathetic, Urination parasympathetic, Parasympathetic urination, Fear urination sympathetic, Sympathetic and parasympathetic, Parasympathetic works on urination, Parasympathetic urinate, Sympathetic urinate, Sympathetic role in urination, Parasympathetic and urante, Parasympathetic of urination, Parasympathetic for urinating, Parasympathetic and sympathetic urine, Is urination parasympathic or sympathetic, Parasympathetic increased urination