Lung volume, thickness of alveolar walls, and microscopic anisotropy of expansion.
D000818:Animals; D002415:Cats; D006801:Humans; D008170:Lung Compliance; D008433:Mathematics; D008954:Models, Biological; D011312:Pressure; D011650:Pulmonary Alveoli / Q000033:anatomy & histology*; D012119:Respiration; D013500:Surface Tension