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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Innervation of Urinary Bladder and Lower Ureter: Schema

6

Spinal

(posterior root)

ganglion

Posterior root

Anterior root

White

Gray

Rami

communicantes

Renal ganglion

Celiac ganglia

Superior mesenteric ganglion

Aorticorenal ganglion

L1

Renal artery and plexus

L2

Intermesenteric

(abdominal aortic) plexus

Lumbar part

of spinal cord

Sacral part

of spinal cord

Ascending

fibers

L2 spinal

nerve (anterior

ramus)

Sympathetic trunk

Descending

fibers

Gray rami

communicantes

1st and 2nd lumbar

splanchnic nerves

Ureter

Sacral

splanchnic

nerves from

sacral

sympathetic

trunk to

inferior

hypogastric

(pelvic)

plexus

Inferior mesenteric ganglion

Superior hypogastric plexus

Hypogastric nerves

Inferior hypogastric

(pelvic) plexus

Urinary bladder

S2

S3

S4

Pudendal nerve

Sacral plexus

Pelvic splanchnic nerves

Vesical plexus

Prostatic plexus

External urethral

sphincter muscle

superior to perineal

membrane

Bulbospongiosus muscle

Sympathetic

fibers

Preganglionic

Postganglionic

Parasympathetic

fibers

Preganglionic

Postganglionic

Somatic efferent fibers

Afferent fibers

Innervation Plate 399

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