Sacral micturition center

Definition

The sacral micturition center is a group of nerve cells located in the sacral region of the spinal cord that coordinates the process of urination. It sends signals to the bladder and sphincter muscles, controlling their contraction and relaxation for urine expulsion.

Related terms

Urinary Bladder: A muscular sac in the pelvis that stores urine until ready for elimination.

Sphincter Muscles: Circular muscles that help keep urine in the bladder by closing tightly like a rubber band around the opening until it's time to urinate.

Spinal Cord: A long, thin bundle of nerve tissue that extends from the brain down through the spine, transmitting signals between the brain and the rest of the body