Internal ear synonyms

The malleus and incus cf the internal ear are united, and there is no transverse canal in the skull.

After death there is found one noteworthy lesion, a commencing acute inflammation of the internal ear.

The statocyst (retro-cerebral organ of P. Marius de Beauchamp) is a sac filled with highly refractive granules soluble in dilute acids, and opening by a slender duct (or a pair) to the surface: its function is doubtless that of an organ of equilibrium, and it resembles in its opening to the surface the primitive internal ear of even Vertebrates, for the duct to the surface persists through life in the sharks.

In the more extended sense, the Anomaluroidea are diagnosed as follows: In the skull the infra-orbital foramen (or canal) is large, the lachrymal foramen placed high up, and no transverse canal; while the malleus and incus of the internal ear are fused.