title: Differentiation and origin of the type II pneumocyte: an ultrastructural study.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002465:Cell Movement; D006224:Cricetinae; D003593:Cytoplasm; D004707:Endoderm / Q000196:embryology; D005260:Female; D005865:Gestational Age; D006056:Golgi Apparatus; D008168:Lung / Q000166:cytology* / Q000196:embryology; D008264:Macrophages; D008854:Microscopy, Electron; D008928:Mitochondria; D011650:Pulmonary Alveoli / Q000166:cytology; D013194:Staining and Labeling