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...
Meralgia redirects here. For nerve pain in general, see Neuralgia. Meralgia paresthetica or meralgia paraesthetica (or Bernhardt-Roth syndrome), is numbness or pain in the outer thigh not caused by injury to the thigh, but by injury to a nerve that extends from the spinal column to the thigh.