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, also referred to as neuralgia or neuritis, is a type of pain that involves the nerves. Neuropathy results from nerve degeneration, pressure, inflammation, or infection. There are several causes of neuropathy, including carpal tunnel syndrome, pinched nerves, spinal stenosis, and pressure from spinal discs.he sensory nerves send signals about what you feel, such as heat, cold, pain, and touch. Motor nerves in the sensory-somatic nervous system transmit signals about muscle movements. The autonomic nervous system controls involuntary body functions, such as blood pressure, heart rate, digestion, and body temperature.