Figure 1.

A,B: The μCT image of a fluid-filled (A) and air-filled (B) human cochlea. Resolution: 10 μm. The fluid-filled image is noisier due to the minimal difference of the linear attenuation coefficient of the perilymph and the soft tissue (A). In the air-filled image, the fine structures (ST, scala tympani; SV, scala vestibuli; RC, Rosenthal's canal; SL, spiral ligament; BM, basilar membrane, and OSL, osseous spiral lamina) are clearly visible. The extremely thin Reissner's membrane, which separates the scala media (SM) and SV, is not visible (B). Scale bar = 1 mm in A,B.