Ultrastructural development of the Herbst corpuscles in the skin of the beak of the domestic duck (Anas platyrhynchos, f. domestica).
D000818:Animals; D001502:Beak / Q000648:ultrastructure; D004372:Ducks / Q000033:anatomy & histology* / Q000196:embryology; D012867:Skin / Q000648:ultrastructure*