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...
Neuropathy and Neuropathic Pain Overview. Neuropathy is a dysfunction of nerves leading to loss of sensation. Although many people develop neuropathy, a limited number of those people go on to experience pain associated with their symptoms. This condition is known as painful neuropathy, and the pain is described as neuropathic pain.