| NCV | nerve conduction velocity; noncholera vibrio |
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| NCVS | nerve conduction velocity study |
| NET | nasoendotracheal tube; nerve excitability test; neuroectodermal tumor; neuroendocrine tumor; norepin... |
| NFL | nerve fiber layer; neurofilament protein, light polypeptide |
| NFLD | nerve fiber layer defect |
| greater superficial petrosal nerve | <anatomy, nerve> The parasympathetic root of the pterygopalatine ganglion; a branch from the genu of the facial nerve exiting via the hiatus of the facial canal and running in a groove on the anterior surface of the petrous part of the temporal bone beside the foramen lacerum to join the deep petrosal nerve, thus forming the nerve of the pterygoid canal, which passes through the pterygoid canal to reach the pterygopalatine ganglion. Synonym: nervus petrosus major, greater petrosal nerve. (05 Mar 2000) |
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| great sciatic nerve | <anatomy, nerve> A nerve which originates in the lumbar and sacral spinal cord (l4 to s3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the tibial nerve and the peroneal nerve. (12 Dec 1998) |
| peroneal communicating nerve | The peroneal (fibular) communicating branch of the common peroneal (fibular) nerve; it arises from the common peroneal nerve in the popliteal space and passes over the lateral head of the gastrocnemius to the middle third of the leg, where it unites with the medial sural cutaneous nerve to form the sural nerve. Synonym: ramus communicans fibularis nervi fibularis communis, ramus communicans peroneus nervi peronei communis, nervus communicans fibularis, nervus communicans peroneus, peroneal anastomotic ramus, peroneal communicating nerve. (05 Mar 2000) |
| peroneal nerve | <anatomy, nerve> The lateral of the two terminal branches of the sciatic nerve. The peroneal (or fibular) nerve provides motor and sensory innervation to parts of the leg and foot. (12 Dec 1998) |
| groove for radial nerve | <anatomy, nerve> The shallow groove that passes around the shaft of the humerus; it lodges the radial nerve and deep brachial artery. Synonym: sulcus nervi radialis, musculospiral groove, spiral groove. (05 Mar 2000) |
| groove for spinal nerve | <anatomy, nerve> The laterally directed groove on the superior surface of the transverse processes of typical cervical vertebrae between the anterior and posterior tubercles along which the emerging spinal nerve passes. Synonym: sulcus nervi spinalis. (05 Mar 2000) |
| groove for ulnar nerve | <anatomy, nerve> A furrow on the posterior surface of the medial epicondyle of the humerus, lodging the ulnar nerve. Synonym: sulcus nervi ulnaris. (05 Mar 2000) |
| groove of greater petrosal nerve | <anatomy, nerve> The groove on the anterior surface of the petrous part of the temporal bone that lodges the greater petrosal nerve. Synonym: sulcus nervi petrosi majoris. (05 Mar 2000) |
| groove of lesser petrosal nerve | <anatomy, nerve> The groove on the anterior surface of the petrous part of the temporal bone that accommodates the lesser petrosal nerve in its course to the otic ganglion. Synonym: sulcus nervi petrosi minoris. (05 Mar 2000) |
| chorda tympani nerve | <anatomy, nerve> A branch of the facial (7th cranial) nerve which passes through the middle ear and continues through the petrotympanic fissure. The chorda tympani nerve carries taste sensation from the anterior two-thirds of the tongue and conveys parasympathetic efferents to the salivary glands. (12 Dec 1998) |
| root of facial nerve | <anatomy, nerve> Fibres running from the facial motor nucleus upward to the facial colliculus where they curve around the abducens nucleus and then pass peripherally between the superior olive and sensory nucleus of the trigeminal, to emerge as the facial nerve from the pontomedullary groove. Synonym: radix nervi facialis. (05 Mar 2000) |
| roots of trigeminal nerve | <anatomy, nerve> Collective term for the sensory root of trigeminal nerve and motor root of trigeminal nerve. Synonym: radices nervi trigemini. (05 Mar 2000) |
| pharyngeal branch of glossopharyngeal nerve | <anatomy, nerve> Conveys general sensory fibres to the mucosa of the oropharynx via the pharyngeal plexus. Synonym: rami pharyngei nervi glossopharyngei. (05 Mar 2000) |
| pharyngeal branch of vagus nerve | <anatomy, nerve> Conveys motor fibres from the cranial root of the accessory nerve to the pharyngeal constrictor muscles, the intrinsic muscles of the soft palate and the levator palati muscle; may also bring some general sensory fibres to the pharyngeal plexus. Synonym: rami pharyngei nervi vagi. (05 Mar 2000) |
| middle cervical cardiac nerve | <anatomy, nerve> One of the cardiopulmonary splanchnic nerves conveying postsynaptic sympathetic fibres running downward, from the middle cervical ganglion along the subclavian artery (on the left) or the brachiocephalic (on the right side) to join the cardiac plexus. Synonym: nervus cardiacus cervicalis medius. (05 Mar 2000) |