Anatomy Nerve fibers in greater, lesser and least splanchnic nerves are A Preganlionic sympathetic B Postganglionic sympathetic fibers C Postganglionic parasympathetic fibers D Postganglionic parasympathetic fibers 💡 Explanation Nerve fibers in greater, lesser and least splanchnic nerves are ✓ Correct Answer: A. Preganlionic sympathetic