NCIt definition : Intermediate Filament Genes encode a number of different Intermediate Filament Proteins
(including keratin filaments, neurofilaments, desmin, and vimentin) that form polymeric
structural cytoplasmic filaments, intermediate in diameter (8-10 nanometer) between
actin microfilaments and microtubules, which comprise part of the cytoskeleton of
most eukaryotic cells. (NCI);