cystospasm

cys·to·spasm

(sis'tō-spazm), Bladder spasm; unintentional, painful contraction of the bladder, often without micturition.

cystospasm

(sĭs′tō-spăzm) [Gr. kystis, bladder, + spasmos, a convulsion] A spasmodic contraction of the urinary bladder.