Detailed expression profile of the six Glypicans and their modifying enzyme, Notum during chick limb and feather development
Keywords: استفاده; Shh; Sonic Hedgehog; Fgf; fibroblast growth factor; BMP; bone morphogenetic protein; AER; apical ectodermal ridge; ZPA; zone of polarising activity; Chick; Limb; Feather; Development glypican; Notum;