This collection describes the procedures required to label, visualise, characterise and quantify neurons that innervate the lower urinary tract tissues of adult male and female Sprague-Dawley rats. This collection includes protocols for:STAGE 1: Surgery to micro-inject fluorescent retrograde tracer dyes into one or more sites within the lower urinary tractSTAGE 2: Intracardiac perfusion with fixative to preserve neural tissues of interestSTAGE 3: Fluorescence immunohistochemistry of ganglion cryosections.