The pelvic splanchnic nerves originate from the neuron cell bodies housed within the lateral gray matter of the S2-S4 spinal cord segments. They are part of the nerve system.
Nerve system and spinal cord segments
The nerve system is an organ system that coordinates body actions by receiving and translating sensory information from the surrounding environment.
The spinal cord and brain form the central nervous system.
The spinal cord consists of 31 segments which include 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal segment.
Learn more about the spinal cord here:
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