[gan.gli.on] n, pl -glia also -gli.ons [LL, fr. Gk] (ca. 1681) 1: a small cystic tumor connected either with a joint membrane or tendon sheath
2. a: a mass of nerve tissue containing nerve cells external to the brain or spinal cord; also: nucleus 2b b: something likened to a nerve ganglion "cave was a ~ of hoses and tubes --John McPhee" -- gan.gli.on.at.ed adj -- gan.gli.on.ic adj