detrusor
noun [ C ] medical specialized uk/dɪˈtruːs.ər/ us/dɪˈtruː.sɚ/
排尿肌，逼尿肌
the muscle that controls the emptying of the bladder (= the organ where urine is stored)
Most incontinent women have either genuine stress incontinence or detrusor instability. 大多数患有尿失禁的女性要么是腹部压迫性尿失禁，要么是逼尿肌功能失调。