Innervation
Plate392
NeuropathwaysinParturition
Splanchnic
nerves
Greater
Lesser
Least
Celiac ganglion
Aorticorenal ganglion
Superior mesenteric
ganglion
Intermesenteric
(aortic) plexus
Lumbar
splanchnic
nerves
Sympathetic trunk
and ganglia
T11 spinal
nerve (ventral
ramus)
Rami communicantes
Subcostal nerve (T12)
Inferior
mesenteric ganglion
T7 spinal
nerve (ventral
ramus)
Intermesenteric
(aortic) plexus
Superior hypogastric
plexus
S1 spinal nerve
(ventral ramus)
Hypogastric nerves
Pelvic splanchnic
nerves
Inferior hypogastric
(pelvic) plexus
Uterovaginal plexus
Pudendal nerve (S2, 3, 4)
Inferior anal (rectal) nerve
Motor fibers to lower vagina and
perineum via pudendal nerve (somatic)
Sensory fibers from lower vagina
and perineum accompany somatic fibers
via pudendal nerve to S2, 3, 4
Motor fibers to lower uterine segment,
cervix, and upper vagina (parasympathetic)
Sensory fibers from cervix and upper
vagina accompany pelvic splanchnic nerves
(parasympathetic) to S2, 3, 4
Motor fibers to uterine body
and fundus (sympathetic)
Sensory fibers from uterine
body and fundus accompany sympathetic
fibers via hypogastric plexuses to T11, 12 (L1?)
Iliohypogastric
nerve (L1)
Ilio-inguinal nerve (L1)
Vesical plexus
Dorsal nerve of clitoris
Posterior labial nerves
