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 and nerve damage is a common cause of chronic or long-term pain. Our nerves carry pain signals to the brain about damage to parts of the body, but nerves can also be a cause of pain themselves. This can be from damage to nerves because of medical conditions, through injury or pressure, such as a trapped nerve.