ganglion

(găngˈglē-ən)

1. Anatomy A group of nerve cells forming a nerve center, especially one located outside the brain or spinal cord.
2. A center of power, activity, or energy.
3. Pathology A benign cystic lesion resembling a tumor, occurring in a tendon sheath or joint capsule.

Related Forms:

• ganˌgli·onˈic (-ŏnˈĭk) adjective