Postganglionic fibers
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In the autonomic nervous system, fibers from the ganglion to the effector organ are called postganglionic fibers.
Postganglionic fibers in the parasympathetic division, are cholinergic (that is, they use acetylcholine as their neurotransmitters.)
However, postganglionic fibers in the sympathetic division are noradregenic (that is, they use norepinephrine as their neurotransmitters.
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Sympathetic connections of the ciliary and superior cervical ganglia. |
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| Autonomic nervous system |
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| sympathetic nervous system: sympathetic trunks (white ramus communicans, gray ramus communicans) - collateral ganglia cavernous plexus - cervical ganglia: (superior, middle, inferior) - splanchnic nerves: (thoracic, lumbar, sacral) - ganglion impar celiac: celiac ganglia - aorticorenal - renal - spermatic/ovarian - superior mesenteric - aortic plexus - inferior mesenteric - hepatic - splenic - gastric - pancreatic - suprarenal hypogastric: superior hypogastric - inferior hypogastric - vesical - prostatic - uterovaginal parasympathetic nervous system: ciliary ganglion (short ciliary nerves) - pterygopalatine ganglion (nerve of pterygoid canal) - submandibular ganglion - otic ganglion - pelvic splanchnic |
