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.
[nurv-rak-ing] /ˈnɜrvˌræk ɪŋ/ adjective 1. extremely irritating, annoying, or trying: a nerve-racking day; a nerve-racking noise. adjective 1. very distressing, exhausting, or harrowing adj. also nerveracking, 1812, from nerve + present participle of verbal sense of rack (n.1).