title: Granular "endocrine" cells in avian respiratory epithelia.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001369:Axons; D001980:Bronchi / Q000648:ultrastructure; D002642:Chick Embryo; D002645:Chickens / Q000033:anatomy & histology*; D003594:Cytoplasmic Granules; D004295:Dihydroxyphenylalanine / Q000378:metabolism; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism / Q000648:ultrastructure*; D000860:Hypoxia; D007830:Larynx / Q000648:ultrastructure; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D012137:Respiratory System / Q000196:embryology / Q000648:ultrastructure*; D012701:Serotonin / Q000378:metabolism; D014132:Trachea / Q000648:ultrastructure
chemical_list: D012701:Serotonin; D004295:Dihydroxyphenylalanine