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...
What is a pinched nerve? A pinched nerve is the name given to the uncomfortable sensation, pain, or numbness caused when increased pressure leads to irritation or damage to a peripheral nerve (A peripheral nerve is one that is outside the brain and spinal cord.).