Medical Definition of TONUS. 1. : tone 2a. 2. : a state of partial contraction that is characteristic of normal muscle, is maintained at least in part by a continuous bombardment of motor impulses originating reflexly, and serves to maintain body postureâcalled also muscle tone; compare clonus.
Neuralgia is the definitive term for nerve pain. Words ending in -algia indicate pain. A closely related word is neuropathy. It indicates an injury, disease, deterioration, defect or other abnormality of the nerve, which usually produces pain, pos...
(ClevelandClinic.org) Neuropathic pain - otherwise known as nerve pain - is a type of chronic pain that occurs when nerves in the central nervous system become injured or damaged. If you or someone you care about has nerve pain, you know that it can erode quality of life.