https://www.youtube.com/watch?v=JwaeWXhklio
Amazing explanation! I wish Armando Hasudungan's videos were around when we learnt physiology in medical school. This video is a quick review of the physiology of micturition. The only way to understand neurogenic bladder is to first get the basics of normal physiology right.
Armando's YouTube channel is worth following: https://www.youtube.com/user/armandohasudungan