title: ["Free" chitin and "masked" chitin in invertebrate skeletal structures].
mesh_terms: D001842:Bone and Bones / Q000378:metabolism*; D055598:Chemical Phenomena; D002621:Chemistry; D002688:Chitinases; D066298:In Vitro Techniques; D007448:Invertebrates / Q000378:metabolism*; D011134:Polysaccharides / Q000378:metabolism*
chemical_list: D011134:Polysaccharides; D002688:Chitinases
vernacular_title: Chitine "libre" et chitine "masquée" dans les structures squelettiques d'invertébrés.