Preganglionic parasympathetic fibers.
In the Parasympathetic division, the preganglionic axons leave the ventral roots of the spinal cord and collectively form the pelvic splanchnic nerves.
preganglionic parasympathetic fibers
Parasympathetic fibres arise from S2,S3,S4. Carry preganglionic parasympathetic and visceral afferent fibres from pelvic and genital organs.
pelvic splanchnic nerve
Splanchnic nerve
The vagus nerve is one of the twelve cranial nerves.
Your kidneys control the water and electrolytes in the blood.It does not require direct brain input and will function with either transplant kidneys without innervation or in Paraplegics.The kidneys are innervated by the Vagus nerve and the splanchnic nerves as well as the pelvic nerve. These nerves seem to provide some additional regulation.The Vagus nerve originates in the Medulla Oblongata. As far as I can tell, the splanchnic nerve originates in the splanchnic ganglion, but I'm having troubles finding where else it goes.
Cranial nerves and Pelvic Splanchnic Nerves
The bladder receives motor innervation from both sympathetic fibers, most of which arise from the hypogastric plexuses and nerves, and parasympathetic fibers, which come from the pelvic splanchnic nerves and the inferior hypogastric plexus. Ahmed Urbizo
Those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglia
Splanchnic organs:GI tractLiverPancreasSpleen
The pudendal nerve (part of the somatic nervous system, voluntary control) innervates the pelvic floor. It also innervates the external urethral sphincter; the internal urethral sphincter is innervated by the pelvic nerve (part of the parasympathetic nervous system, involuntary control).
large intestine