noun🔗ShareQuitinaA 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."The hard shell of the crab is made of chitin. "La dura concha del cangrejo está hecha de quitina.compoundsubstancematerialchemistrybiochemistrybiologyorganisminsectmedicinephysiologyanatomydiseaseChat with AIVocabulary GamePractice Reading
