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 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