Sable. The sable is a species of marten which inhabits forest environments, primarily in Russia from the Ural Mountains throughout Siberia, eastern Kazakhstan, northern Mongolia, China, North and South Korea and HokkaidÅ in Japan.able. The sable is a species of marten which inhabits forest environments, primarily in Russia from the Ural Mountains throughout Siberia, eastern Kazakhstan, northern Mongolia, China, North and South Korea and HokkaidÅ in Japan.
Intermediate filament s are one component of the cytoskeleton-important structural components of living cells. Their size is intermediate between that of microfilament s and microtubules. They are assembled from several different proteins.
Medical Definition of intermediate filament. : any of a class of usually insoluble cellular protein fibers (as cytokeratin or a neurofilament) composed of various fibrous polypeptides that serve especially to provide structural stability and strength to the cytoskeleton and are intermediate in diameter between microfilaments and microtubules.