1. Plural of ganglion; a group of nerve cells forming a nerve center outside the brain and spinal cord.
Usage: anatomy; medical
2. Plural of ganglion; a cyst or swelling that forms on a tendon or joint, typically on the wrist or hand.
Usage: medical; common usage
3. Plural of ganglion; a center of activity, energy, or power.
Usage: figurative

Examples

• The dorsal root ganglions transmit sensory information to the spinal cord.
• She had a ganglion cyst removed from her wrist after it became painful.
• The sympathetic ganglions regulate involuntary body functions.
• Several ganglions developed on her hand from repetitive strain.
• Major cities serve as ganglions of commerce and culture in the region.