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keratin filaments. Definitions: 1. a class of intermediate filaments that form a network within epithelial cells and anchor to desmosomes, thus imparting tensile strength to the tissue. Synonyms: cytokeratin filaments. The definition information for keratin filaments is provided by Stedman's.
The raw material. Keratin is the essential component of hair. It is a protein formed by the combination of 18 amino acids, among which cysteine deserves special mention, being rich in sulphur and playing an important role in the cohesion of the hair.It is produced by the keratinocytes.hile hair contains water, lipids, traces of mineral elements and melanin, it is keratin which is its main constituent. Its organisation within the cortex is so reminiscent of a rope or a cable that it is almost worrying.