- a mass of nerve cells神经节
- a swelling (= an area that is larger and rounder than normal) in a tendon, often at the back of the hand腱鞘囊肿(经常出现在手背)
Word Originlate 17th cent.: from Greek ganglion ‘tumour on or near sinews or tendons’, used by Galen to denote the complex nerve centres.