Development of the Grandry corpuscles in the skin of the beak domestic duck (Anas platyrhynchos, f. domestica).
D000375:Aging; D000818:Animals; D001502:Beak / Q000166:cytology / Q000254:growth & development*; D004372:Ducks / Q000254:growth & development*; D012867:Skin / Q000166:cytology*