title: Ultrastructure of adrenal medullary cells in the goose and duck.
mesh_terms: D000313:Adrenal Medulla / Q000648:ultrastructure*; D000818:Animals; D004372:Ducks / Q000033:anatomy & histology*; D005260:Female; D005777:Geese / Q000033:anatomy & histology*; D008297:Male