Parasympathetic nervous system & Postganglionic nerve fibers - Unionpedia, the concept map

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Difference between Parasympathetic nervous system and Postganglionic nerve fibers

Parasympathetic nervous system vs. Postganglionic nerve fibers

The parasympathetic nervous system (PSNS) is one of the three divisions of the autonomic nervous system, the others being the sympathetic nervous system and the enteric nervous system. In the autonomic nervous system, nerve fibers from the ganglion to the effector organ are called postganglionic nerve fibers.

Acetylcholine

Acetylcholine (ACh) is an organic compound that functions in the brain and body of many types of animals (including humans) as a neurotransmitter.

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Autonomic nervous system

The autonomic nervous system (ANS), sometimes called the visceral nervous system and formerly the vegetative nervous system, is a division of the nervous system that operates internal organs, smooth muscle and glands.

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Axon

An axon (from Greek ἄξων áxōn, axis) or nerve fiber (or nerve fibre: see spelling differences) is a long, slender projection of a nerve cell, or neuron, in vertebrates, that typically conducts electrical impulses known as action potentials away from the nerve cell body.

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Cholinergic

Cholinergic agents are compounds which mimic the action of acetylcholine and/or butyrylcholine.

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Ganglion

A ganglion (ganglia) is a group of neuron cell bodies in the peripheral nervous system.

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Neurotransmitter

A neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a synapse.

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Nicotinic acetylcholine receptor

Nicotinic acetylcholine receptors, or nAChRs, are receptor polypeptides that respond to the neurotransmitter acetylcholine.

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Preganglionic nerve fibers

In the autonomic nervous system, nerve fibers from the central nervous system to the ganglion are known as preganglionic nerve fibers.

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Sympathetic nervous system

The sympathetic nervous system (SNS) is one of the three divisions of the autonomic nervous system, the others being the parasympathetic nervous system and the enteric nervous system.

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