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...
T.E.N.S. stands for Transcutaneous Electrical Nerve Stimulation. The key here is the NERVE part. TENS is a âpain blocker.â The buzzing sensation is thought to block the pain signal from the nerve to where it is perceived in the brain as pain. T.E.N.S. units are also thought to aid in the release of endorphins, which are the bodyâs natural pain fighting mechanism.