Borrowed from Ancient Greek γᾰγγλῐ́ον.

• IPA: /ˈɡæŋ.ɡli.ən/

ganglion

1. (neuroanatomy)
   1. An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.

      Hyponyms: autonomic ganglion, cervical ganglion, dorsal root ganglion, Gasserian ganglion, geniculate ganglion, Meckel's ganglion, spinal ganglion

      • 1871, Charles Darwin, “On the Manner of Development of Man from some Lower Form”, in The Descent of Man, and Selection in Relation to Sex. […], volume I, London: John Murray, […], →OCLC ↗, Part I (On the Descent of Man), page 145 ↗:

        [T]he wonderfully diversified instincts, mental powers, and affections of ants are generally known, yet their cerebral ganglia are not so large as the quarter of a small pin's head.

   2. Any of certain masses of gray matter in the central nervous system, as the basal ganglia.

      Synonyms: nucleus

2. (transferred sense) A centre of intellectual or industrial force, activity, etc.
3. (pathology) A benign cystic tumour on a tendon sheath or joint capsule.

   Synonyms: ganglion cyst

• French: ganglion
• German: Ganglion
• Russian: га́нглий
• Spanish: ganglio

• German: Kopf