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...
Nerve Pain Relief. Definition: Neuropathic pain, Neuralgia or Neuropathy is pain that is caused by an abnormality or dysfunction of a nerve, a group of nerves, or even the brain and spinal cord which results in unregulated activity of the nervous system and subsequently, pain and disability.