title: The postnatal development of the respiratory system of the opossum. I. Light and scanning electron microscopy.
mesh_terms: D000400:Air Sacs / Q000166:cytology; D000818:Animals; D001485:Basement Membrane; D001980:Bronchi / Q000166:cytology; D003239:Connective Tissue Cells; D004848:Epithelium; D008407:Mast Cells; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009130:Muscle, Smooth / Q000166:cytology; D009893:Opossums / Q000254:growth & development*; D010994:Pleura / Q000166:cytology / Q000254:growth & development*; D011650:Pulmonary Alveoli / Q000166:cytology / Q000254:growth & development*; D012137:Respiratory System / Q000098:blood supply; D013997:Time Factors; D014132:Trachea / Q000166:cytology