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1955 S. L. Palay & G. E. Palade in Jrnl. Biophysical & Biochem. Cytol. 1 78 Neurofilaments.—Fine, long threads, 60 to 100 A in diameter and of indefinite length, traverse the cytoplasmic matrix [of the neuron] between masses of Nissl substance and other organelles.

1965 Progress Brain Res. 14 57 Electron microscopical studies have shown that the neurofibrils of light microscopists are made up of fine, long, apparently non-branching structures approximately 100 Å in diameter. These are the neurofilaments.

1968 G. A. Horridge Interneurons i. 11 Throughout the animal kingdom..many axons and dendrites of nerve cells have tubules in the axoplasm; others, such as the squid giant axon, have neurofilaments that are thinner and less obviously tubular.

1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) xi. 667 (caption) Neurofilaments in a nerve cell axon are extensively cross-linked through protein cross-bridges—an arrangement believed to provide great tensile strength.

1995 Sci. News 6 May 279/1 The researchers studied genetically engineered mice that make large quantities of a human protein that forms threadlike polymers called neurofilaments.