| area of facial nerve | <anatomy, nerve> The area in the fundus of the internal acoustic meatus superior to the transverse crest through which the facial nerve passes to enter the facial canal. Synonym: area nervi facialis. (05 Mar 2000) |
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| Arnold's nerve | <anatomy, nerve> A branch of the superior ganglion of the vagus, supplying the back of the pinna and the external acoustic meatus. Synonym: ramus auricularis nervi vagi, Arnold's nerve. (05 Mar 2000) |
| artery to sciatic nerve | <anatomy, nerve> Origin, inferior gluteal; distribution, sciatic nerve; anastomoses, branches of profunda femoris. Synonym: arteria comitans nervi ischiadici, companion artery to sciatic nerve. (05 Mar 2000) |
| articularis cubiti muscle | <anatomy> The name applied to a small slip of the medial head of the triceps that inserts into the capsule of the elbow joint. Synonym: musculus articularis cubiti, articular muscle of elbow, subanconeus muscle. (05 Mar 2000) |
| articular muscle | <anatomy> A muscle that inserts directly onto the capsule of a joint, acting to retract the capsule in certain movements. Synonym: musculus articularis. (05 Mar 2000) |
| articular muscle of elbow | <anatomy> The name applied to a small slip of the medial head of the triceps that inserts into the capsule of the elbow joint. Synonym: musculus articularis cubiti, articular muscle of elbow, subanconeus muscle. (05 Mar 2000) |
| articular muscle of knee | <anatomy, muscle> Origin, lower fourth of anterior surface of shaft of femur; insertion, suprapatellar bursa of knee joint; action, retracts suprapatellar bursa, during extension of knee; nerve supply, femoral. Synonym: musculus articularis genus, articular muscle of knee, Dupre's muscle, subcrural muscle, subcruralis, subcrureus, subquadricipital muscle. (05 Mar 2000) |
| articular nerve | <anatomy, nerve> A branch of a nerve supplying a joint. Synonym: nervus articularis. (05 Mar 2000) |
| aryepiglottic muscle | <anatomy> The fibres of the oblique arytenoid muscle that extend from the summit of the arytenoid cartilage to the side of the epiglottis; action, constricts the laryngeal aperture. Synonym: musculus aryepiglotticus. (05 Mar 2000) |
| auditory nerve | <anatomy, neurology> Cranial nerve VIII is responsible for the sense of hearing and balance (body position sense). Lesions of the eighth nerve can result in deafness, tinnitus, dizziness, vertigo and vomiting. (27 Sep 1997) |
| auricular branch of vagus nerve | <anatomy, nerve> A branch of the superior ganglion of the vagus, supplying the back of the pinna and the external acoustic meatus. Synonym: ramus auricularis nervi vagi, Arnold's nerve. (05 Mar 2000) |
| auriculotemporal nerve | <anatomy, nerve> A branch of the mandibular, usually arising by two roots embracing the middle meningeal artery; it passes through the parotid gland conveying post-synaptic parasympathetic secretomotor fibres from the otic ganglion, and continuing to terminate in the skin of the temple and scalp; also sends branches to the external acoustic meatus, tympanic membrane, and auricle as well as a communicating branch to the facial nerve. Synonym: nervus auriculotemporalis. (05 Mar 2000) |
| auriculotemporal nerve syndrome | <syndrome> Localised flushing and sweating of the ear and cheek in response to eating. Synonym: Frey's syndrome, gustatory sweating syndrome. (05 Mar 2000) |
| autonomic nerve | <anatomy, nerve> A bundle of nerve fibres outside of the central nervous system belonging or relating to the autonomic nervous system. (05 Mar 2000) |
| autonomic nerve block | Interruption of sympathetic pathways, by local injection of an anaesthetic agent, at any of four levels: peripheral nerve block, sympathetic ganglion block, extradural block, and subarachnoid block. (12 Dec 1998) |
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