Feber, J. le

nerve activity bladder pressure nerve activity urethral efferent measurement stimulation contraction urethra bladder pressure model voiding value volume pudendal physiol muscle fferent animal bladder nerve activity study relaxation signal chapter pudendal nerve stimulation urethral pressure response threshold parameter hypogastric efferent activity frequency effect stress increase relation fiber flow rate pudendal nerve amplitude efferent nerve activity perfusion transection nerve signal error bladder volume figure fferent activity urethral nerve urethral relaxation urethral nerves postganglionic level hypogastric nerves tract micturition result fferent nerve activity slope electrode voiding contraction decrease hypogastric nerve experiment van mastrigt period groat function change difference action potentials nerve signals oscillation ganglion mastrigt innervation striated receptor