The only cytoplasmic inclusions visible in the neurones by the light microscope are the lipochondria and mitochondria. It is suggested that the Golgi bodies, seen in preparations made by the Golgi techniques, are produced by the deposition of osmium or silver on the surface of the lipochondria.

The lipochondria consist of phospholipids and cerebrosides. There is also some lipid in the cytoplasm, together with carbohydrates, proteins, and RNA.

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