Fig. 1.
Method of analysis. Tracing of voided volume (top) and measured bladder pressure during one filling-voiding cycle in a 12-mo-old mouse. Voiding flow was demonstrated by increase in voided volume, onset coincident with maximum bladder pressure (Pmax), ending prior to resolution of voiding contraction. Indicated pressure points are those relevant to the analysis. Compliance line demonstrates the method of estimating the contribution of compliance to expulsive pressure. Compliance contribution during flow only is indicated by Zone 2. Compliance contribution to entire voiding contraction expulsive pressure is indicated by Zone 1 and 2.