Retinoic acid is clearly important for the development of the heart. between multiple signaling systems is required for specification and patterning of the heart including the signaling pathway (Foley and Mercola 2005 Pandur et al. 2002 Schneider and Mercola 2001 fibroblast growth element signaling (Alsan and Schultheiss 2002 bone morphogenetic protein signaling (Breckenridge et al.… Continue reading Retinoic acid is clearly important for the development of the heart.