title: [The cephalic endoskeleton of apterygota insects. II. Protura and Thysanura].
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D006651:Histocytochemistry; D007313:Insecta / Q000033:anatomy & histology*; D008854:Microscopy, Electron
vernacular_title: L'endosquelette céphalique des insectes aptérygotes. II. Protoures et Thysanoures.