Postganglionic fiber
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| Nerve: Postganglionic fiber | |
|---|---|
 | |
| Sympathetic connections of the ciliary and superior cervical ganglia. | |
| Latin | neurofibrae postganglionicae |
| Dorlands / Elsevier | n_06/12568789 |
In the autonomic nervous system, fibers from the ganglion to the effector organ are called postganglionic fibers.
Neurotransmitters
The neurotransmitters used for postganglionic fibers differ:
- In the parasympathetic division, they are cholinergic (that is, they use acetylcholine as their neurotransmitters.)
- In the sympathetic division, most are adrenergic (that is, they use norepinephrine as their neurotransmitters.) One exception of this is the sympathetic innervation of sweat glands, which uses acetylcholine as a neurotransmitter at both pre and post ganglionic synapses.
See also
External links
- Diagram of postganglionic neuron and its synapse at sns-web.org
- Diagram at University of Waterloo
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
