Keywords: Gray975.png Schematic longitudinal section of a primary lobule of the lung anatomical unit ; r b respiratory bronchiole; al d alveolar duct; at atria; a s alveolar sac; a alveolus or air cell; p a pulmonary artery p v pulmonary vein; l lymphatic; l n lymph node Miller Other fields 1 Information field Ucfirst Plate 975 before 1858 Henry Gray Anatomy of the Human Body See Book section below 975 Creator Henry Vandyke Carter Book Gray's Anatomy PD-old-100-1923 Gray's Anatomy plates 0975 Pulmonology |