title: The nature and significance of invertebrate cartilages.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D000845:Annelida; D001181:Arthropods; D002356:Cartilage / Q000032:analysis / Q000033:anatomy & histology / Q000502:physiology; D003063:Cnidaria; D003094:Collagen / Q000032:analysis; D007448:Invertebrates / Q000033:anatomy & histology*; D008974:Mollusca; D010163:Paleontology
chemical_list: D003094:Collagen