ネココルチ器基底線維の走査電顕による観察

概要

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The basilar fiber inside the organ of Corti was studied using the scanning electron microscope (SEM) in the cat. The basilar fiber, afferent in nature, emerged between the inner pillar cells in the medial angle of the Corti's tunnel under the efferent tunnel radial fibers. They ran across the tunnel floor obliquely toward the basal end of the cochlea and entered the Nuel's space between the outer pillars' feet. They turned spirally in the outer spiral bundle and slowly climbed the lateral wall of the Nuel's space toward the outer hair cells. In the adult cat, the basilar fibers were embedded in the cytoplasma of the pillar cells in the tunnel floor, but were clearly seen in young cats. Using the SEM, the number of these fibers at the feet of the outer pillars could be counted. We obtained a ration of 1.3nerve fibers per pillar cell dividing 402 basilar fibers by 313 outer pillars.
耳鼻咽喉科臨床学会の論文