A nerve fibre which is a long slender projection of a nerve cell, and which conducts nerve impulses away from the body of the cell to a synapse.
An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.
A centre of intellectual or industrial force, activity, etc.
Any of certain masses of gray matter in the central nervous system, as the basal ganglia.
A benign cystic tumour on a tendon sheath or joint capsule.