The Pontine Micturition Center is associated with controlling which aspects of urination?

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The Pontine Micturition Center coordinates the switch between storage and voiding. It integrates bladder fullness signals with higher brain input and, when it governs voiding, sends out the commands to contract the detrusor muscle while relaxing the internal urethral sphincter, and it helps dampen the pathways that keep storage. During storage, the sympathetic system keeps the bladder relaxed and the sphincters tight, with somatic control maintaining external sphincter tone; the Pontine Micturition Center is not driving voiding in this phase. Because it orchestrates both the storage and the voiding phases, it is involved in controlling both aspects of urination.