Electron microscopic studies of the alveolar lining film in fetal lungs.
D000818:Animals; D003593:Cytoplasm; D004848:Epithelium; D005260:Female; D005333:Fetus; D008854:Microscopy, Electron; D008928:Mitochondria; D011247:Pregnancy; D011270:Pregnancy, Animal; D011650:Pulmonary Alveoli / Q000166:cytology*; D011817:Rabbits