noun Descargar 🔗Compartir Quitina A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans. Examples : "The hard shell of the crab is made of chitin. " La dura concha del cangrejo está hecha de quitina. compound substance material chemistry biochemistry biology organism insect medicine physiology anatomy disease Chat con IAJuego de vocabularioPracticar lectura