What serves as the effector for the micturition reflex arc?
A) Bladder wall
B) Sacral region of the spinal cord
C) Internal urethral sphincter
D) None of these are correct.

Question

Quizplus · Accepted Answer

The reflex arc for micturition begins with stretch receptors in the urinary bladder's walls (afferent neurons). As the bladder fills, these receptors send signals to the sacral region of the spinal cord (integration center). Parasympathetic neurons go from the spinal cord to the detrusor muscle (effector), telling it to contract, and to the internal urethral sphincter (effector), telling it to relax. Urine is then voided.

What Serves as the Effector for the Micturition Reflex Arc