noun, plural: ganglia

(1) (anatomy) A mass of nerve cell bodies outside the central nervous system.

(2) (neuroanatomy) A cluster of interconnecting nerve cells outside the brain.

(3) A benign cyst found on aponeurosis or tendon, usually at the wrist or dorsum of the foot.


In vertebrates the ganglia are located outside the brain or spinal cord.

There are two major groups of ganglia:

Word origin: From Greek, cystlike tumor, nerve bundle.
Related forms: ganglial (‘’adjective’’)

Related terms:

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