Anatomy Ureteric peristalsis is due to intact supply of? A Sympathetic innervation B Parasympathetic innervation C Both sympathetic and parasympathetic D Intrinsic smooth muscle pacemaker activity of renal calyces. 💡 Explanation Ureteric peristalsis is due to intact supply of? ✓ Correct Answer: D. Intrinsic smooth muscle pacemaker activity of renal calyces.