| ON | occipitonuchal; office nurse; onlay; optic nerve; orthopedic nurse; osteonecrosis; osteonectin; over... |
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| ONG | optic nerve glioma |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| PNI | peripheral nerve injury; postnatal infection; prognostic nutritional index |
| PNL | peripheral nerve lesion; polymorphonuclear neutrophilic leukocyte |
| great auricular nerve | <anatomy, nerve> Arises from the ventral primary rami of the second and third cervical, spinal nerves, supplies the skin of part of the auricle, adjacent portion of the scalp, and that overlying the angle of the jaw; it also innervates the parotid sheath, conveying from it the pain fibres stimulated by stretching of the sheath during parotitis (mumps). Synonym: nervus auricularis magnus. (05 Mar 2000) |
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| greater occipital nerve | <anatomy, nerve> Medial branch of the dorsal primary ramus of the second cervical nerve; sends branches to the semispinalis capitis and multifidus cervicis, but is mainly cutaneous, supplying the back part of the scalp. Synonym: nervus occipitalis major. (05 Mar 2000) |
| greater palatine nerve | <anatomy, nerve> A branch of the pterygopalatine ganglion that passes downward through the greater palatine canal to supply the mucosa and glands of the hard palate, and the anterior part of the soft palate. Synonym: nervus palatinus major. (05 Mar 2000) |
| greater 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) |
| greater splanchnic nerve | <anatomy, nerve> Uppermost of the abdominopelvic splanchnic which arises from the fifth or sixth to the ninth or tenth thoracic sympathetic ganglia in the thorax and passes downward along the bodies of the thoracic vertebrae, penetrating the diaphragm to join the coeliac plexus; conveys presynaptic sympathetic fibres to the coeliac ganglia, and visceral afferent fibres from the coeliac plexus. Synonym: nervus splanchnicus major. (05 Mar 2000) |
| 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) |
| 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) |