| 释义 |
hiatus of canal of lesser petrosal nerve hi·a·tus of ca·nal of les·ser pe·tro·sal nerve (hī-ā'tŭs kă-nal' les'ĕr pĕ-trō'săl nĕrv) The small opening in the petrous bone lateral to the hiatus of facial canal that gives passage to the lesser petrosal nerve. Arnold, Friedrich, German anatomist, 1803-1890. Arnold bundle - a fiber group originating in the cerebral cortex of the temporal lobe and terminating in the pontine nuclei or the ventral part of the pons. Synonym(s): Arnold tract; temporopontine tractArnold canal - the small opening in the petrous bone lateral to the hiatus of facial canal that gives passage to the lesser petrosal nerve. Synonym(s): hiatus of canal of lesser petrosal nerveArnold ganglion - an autonomic ganglion situated below the foramen ovale medial to the mandibular nerve. Synonym(s): otic ganglionArnold nerve - a branch of the superior ganglion of the vagus, supplying the back of the pinna and the external acoustic meatus. Synonym(s): auricular branch of vagus nerveArnold tract - Synonym(s): Arnold bundleforamen of Arnold - an occasional opening in the greater wing of the sphenoid bone, between the foramen spinosum and foramen ovale, which transmits the lesser petrosal nerve. Synonym(s): petrosal foramen |