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...
radiculopathy pathology of spinal nerve roots, due to nerve impingement, entrapment, inflammation or trauma; presents as focal pain (i.e. pain at spinal nerve root), referred pain (i.e. pain at a distal site within the dermatome of the affected spinal nerve) and/or pseudoclaudication, with associated sensory and motor neuropathies (see Table 1)