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Ganglion

This article is about neuron clusters. For other uses, see Ganglion (disambiguation).
"Ganglia" redirects here. For other uses, see Ganglia (disambiguation).
Ganglion
Micrograph of a ganglion. H&E stain.
Details
SystemNervous system
Identifiers
Latinganglion
MeSHD005724
TA98A14.2.00.002
FMA5884
Anatomical terminology
A dorsal root ganglion (DRG) from a chicken embryo (around stage of day 7) after incubation overnight in NGF growth medium stained with anti-neurofilament antibody. Note the axons growing out of the ganglion.

A ganglion (pl.: ganglia) is a group of neuron cell bodies in the peripheral nervous system. In the somatic nervous system, this includes dorsal root ganglia and trigeminal ganglia among a few others. In the autonomic nervous system, there are both sympathetic and parasympathetic ganglia which contain the cell bodies of postganglionic sympathetic and parasympathetic neurons respectively.

A pseudoganglion looks like a ganglion, but only has nerve fibers and has no nerve cell bodies.

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