Sympathetic Pathway to
Pelvic Viscera
Pelvic Viscera
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Origin: lumbar segments (L1-L3)
ORIGIN (click to reveal)
Preganglionic Pathway:
ventral root, spinal nerve, ramus communicans,
ventral root, spinal nerve, ramus communicans,
Preganglionic Pathway
sympathetic trunk,
Preganglionic Pathway
lumbar splanchnic nn. & caudal mesenteric plexus
Preganglionic Pathway
Ganglion: caudal mesenteric ganglion (also some pelvic ganglia)
Autonomic GANGLION (Synapse)
Postganglionic Pathway:
left or right hypogastic nerve to the pelvic plexus,
left or right hypogastic nerve to the pelvic plexus,
Postganglionic Pathway
branches to pelvic viscera, from the pelvic plexus
Postganglionic Pathway
Target Organs:
smooth muscle & glands associated with pelvic viscera, i.e.,
urinary tract, genitalia, rectum & anal canal
blood vessel smooth muscle
smooth muscle & glands associated with pelvic viscera, i.e.,
urinary tract, genitalia, rectum & anal canal
blood vessel smooth muscle
TARGET ORGANS
(click to reveal)
(click to reveal)
Pathway Image
(click to reveal)
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