Activation of FGF by two ligands that function together, FGF4 and FGF8 (17) in Xenopus and FGF8 and FGF24 in zebrafish (18), is necessary for mesoderm formation.
formation | Command (military formation) | Elliot Formation | Lance Formation | Crato Formation | Chinle Formation | Two Medicine Formation | Tamayama Formation | Missing Man Formation (band) | Missing Man Formation | Marcellus Formation | Kirkwood Formation | Gettysburg Formation | Clarens Formation | Whitby Mudstone Formation | Tunbridge Wells Sand Formation | Santana Formation | Phalanx formation | phalanx formation | Mahantango Formation | Leduc Formation | Identity formation | Hanson Formation | Formation (stratigraphy) | formation (stratigraphy) | Formation | FGF | Centre International de Formation Européenne | Bakken formation | Yixian Formation |