title: Structure of avian lungs.
mesh_terms: D000400:Air Sacs / Q000033:anatomy & histology; D000818:Animals; D001699:Biometry; D001717:Birds / Q000033:anatomy & histology* / Q000196:embryology; D001980:Bronchi / Q000033:anatomy & histology; D002196:Capillaries / Q000033:anatomy & histology; D010856:Columbidae / Q000033:anatomy & histology; D008168:Lung / Q000033:anatomy & histology* / Q000196:embryology; D011200:Poultry / Q000033:anatomy & histology; D012119:Respiration; D014422:Turkeys / Q000033:anatomy & histology