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.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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 tract

Arnold 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 nerve

Arnold ganglion - an autonomic ganglion situated below the foramen ovale medial to the mandibular nerve. Synonym(s): otic ganglion

Arnold 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 nerve

Arnold tract - Synonym(s): Arnold bundle

foramen 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

Medical Eponyms © Farlex 2012