“…In all of the normal peripheral nerves examined by us, from the foetal stage onwards, brown metachromatic lipidextractable granules were present in the nerve fibres. Granules with a corresponding localization and stainability have previously been observed in human peripheral nerves (6, 27,28,29,30). These "Reich granules" are constantly present in adult cases, but they have not been observed before in peripheral nerves of humans under four years of age (cf.…”