Meatus

(external and internal), the external and internal canals or openings of the ear. A. Nerve, the eighth cranial nerve, supplying the internal ear; formerly the portio moll is of the seventh pair of cranial nerves. A. O icles, the chain of small bones of the middle ear. A. Pit, the depre ion in the epiblast on both sides of the embryonic after-brain, destined to form the labyrinth of the ear. A. Vertigo, dizzine due to patho- Disease.logic conditions of the ear. See Meniere’s Auerbach’s Plexus. A nerve-plexus found between the circular and longitudinal muscular coats of the stomach and intestines, and consisting of a network of pale nerve-fibers, at the nodal points of which minute ganglia at exist. ch104.xhtml a 100