An electro-myographic study of the distal porcine ureter.

Abstract

PURPOSE The accumulation of urine in the renal pelvis causes depolarisation of non-specific muscular pace-maker cells. The wave of depolarisation spreads distally in the ureteric smooth muscle cells via gap junctions. This wave of excitation causes a coordinated peristaltic contraction which transports the urine bolus distally to the bladder. The EMG… (More)

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