Parasympathetic Pathway to
Pelvic Viscera
Pelvic Viscera
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Origin: sacral segments (S1-S3) of the canine spinal cord
ORIGIN (click to reveal)
Preganglionic Pathway:
ventral root, spinal nerve, ventral primary branch,
ventral root, spinal nerve, ventral primary branch,
Preganglionic Pathway
lumbosacral nerve plexus,
Preganglionic Pathway
pelvic n. & pelvic plexus
Preganglionic Pathway
Ganglion: pelvic ganglia (also some in terminal ganglia)
Autonomic GANGLION (Synapse)
Postganglionic Pathway:
direct branches from pelvic plexus to pelvic viscera
direct branches from pelvic plexus to pelvic viscera
Postganglionic Pathway
Target Organs:
smooth muscle & glands associated with pelvic viscera, i.e.,
urinary tract; genitalia; descending colon, rectum & anal canal;
blood vessels to penis/clitoris
smooth muscle & glands associated with pelvic viscera, i.e.,
urinary tract; genitalia; descending colon, rectum & anal canal;
blood vessels to penis/clitoris
TARGET ORGANS
(click to reveal)
(click to reveal)
Pathway Image
(click to reveal)
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