a progressive wave of electric and chemical activity along a nerve fiber that stimulates or inhibits the action of a muscle, gland, or other nerve cell.
the electrical wave transmitted along a nerve fibre, usually following stimulation of the nerve-cell body See also action potential
a signal transmitted along a nerve fiber, starting with stimulation and then a wave of progressive alteration of electricity and becoming a record of sensation or instruction to act
nerve impulse n.
A wave of physical and chemical excitation that moves along a nerve fiber in response to a stimulus.
[nurv-lis] /ˈnɜrv lɪs/ adjective 1. without nervousness, as in emergencies; calm; collected. 2. lacking strength or vigor; feeble; weak. 3. lacking firmness or courage; spiritless; cowardly. 4. Anatomy, Botany. having no . /ˈnɜːvlɪs/ adjective 1. calm and collected 2. listless or feeble
noun 1. a diffuse branching network of nerve cells connecting the sensory and muscular cells of coelenterates and primitive flatworms.
- Nerve of pterygoid canal
nerve of pterygoid canal n. The nerve that constitutes the motor and sympathetic roots of the pterygopalatine ganglion and runs through the pterygoid canal to the pterygopalatine fossa.
- Nerve of tensor tympani muscle
nerve of tensor tympani muscle n. A branch of the mandibular nerve passing through the otic ganglion and supplying the tensor muscle of the tympanic membrane.
- Nerve plexus
nerve plexus n. A plexus formed by nerves interlaced with numerous communicating branches.