— ganglial, gangliar , adj.
/gang"glee euhn/ , n. , pl. ganglia /-glee euh/ , ganglions .
1. Anat.
a. a mass of nerve tissue existing outside the central nervous system.
b. any of certain masses of gray matter in the brain, as the basal ganglia.
2. Pathol. a cyst or enlargement in connection with the sheath of a tendon, usually at the wrist.
3. a center of intellectual or industrial force, activity, etc.
[ 1675-85; gánglion a tumor under the skin, on or near a tendon ]