Sacral nerves carrying parasympathetic innervation to the pelvic organs.

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The pelvic splanchnic nerves arise from S2-S4 spinal nerves and carry parasympathetic innervation to the pelvic organs. Sacral splanchnic nerves are sympathetic nerves and have an opposite effect on the organs. Thoracic splanchnic nerves arise from T5-T12 spinal nerves and innervate abdominal organs. The vagus nerve carries parasympathetic innervation to the thoracic and abdominal organs. The enteric nervous system is a separate nervous system that controls the digestive system.

Sacral Nerves Carrying Parasympathetic Innervation to the Pelvic Organs