ganglion medical definition

1. A group of nerve cells forming a nerve center, especially one located outside the brain or spinal cord. Also called neuroganglion.
2. A benign tumorlike cyst containing mucopolysaccharide-rich fluid enclosed within fibrous tissue and usually attached to a tendon sheath in the hand, wrist, or foot. Also called myxoid cyst, synovial cyst.

Related Forms:

• ganglial adjective