title: Electron microscopic identification of endocrine cells in the bronchial epithelium of human foetuses.
mesh_terms: D001980:Bronchi / Q000196:embryology*; D002467:Cell Nucleus; D003593:Cytoplasm; D004702:Endocrine Glands / Q000196:embryology*; D004848:Epithelium / Q000196:embryology; D006801:Humans; D008854:Microscopy, Electron