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Chilblains (/ËtÊÉªlbleÉªnz/) â also known as pernio, Chill Burns and perniosis â is a medical condition that occurs when a predisposed individual is exposed to cold and humidity, causing tissue damage. It is often confused with frostbite and trench foot.
Chitin is an N-acetyl-d-glucosamine (GlcNAc) homopolymer that is found as primary structural component in the cell walls of fungi, the exoskeleton of arthropods and egg-shells of nematodes. Fungal cell walls are largely composed of carbohydrate polymers that include Î²-glucans, chitin and mannans in addition to glycoproteins.