モルモツトのラセン神経節の電子顕微鏡的観察

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Electron microscope observations of cochlear karya of almost all nerve cells were enclosed by a myelin sheath. The perikaryal sheath is composed myelins, continuous or interchangeable with each other. The former consists of multiple layers of mbrane. The thickness of each layer of the satellite cell cytoplasm shows considerable variation. It may be particularly thick in the outermost layer of the cytoplasmic lamellae, where the nucleus and other intracellular structures of the satellite are located. The cytoplasm may become thin and even disappear with formation of a thicker and denser membrane by fusion of the inner and the outer plasmalemmata of the cytoplasmic sheet. The semi_compact myelin is formed by stratification of such denser membranes. In the semi_compact myelin, however, the interval than that in the compact myelin surrounding nerve Other submicroscopic structures of both nerve and satellite cells, especially mitochondria, inclusion bodies, multivesicular bodies and presumptive gly cogen particles, have been also discussed in this paper.
社団法人日本耳鼻咽喉科学会の論文