An osmiophilic bilaminar lining film at the respiratory surfaces of avian lungs.
D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D002642:Chick Embryo / Q000033:anatomy & histology*; D002645:Chickens / Q000033:anatomy & histology*; D003102:Colloids; D010856:Columbidae / Q000033:anatomy & histology*; D006651:Histocytochemistry; D007501:Iron; D008168:Lung / Q000033:anatomy & histology*; D008566:Membranes / Q000032:analysis; D008709:Methenamine; D008854:Microscopy, Electron; D012834:Silver
D003102:Colloids; D012834:Silver; D007501:Iron; D008709:Methenamine