The Biology of Vascular Endothelial Cell Growth Factor Isoforms -- VEGF Receptor Signalling in Vertebrate Development -- VEGF Gene Regulation -- Embryonic Vasculogenesis and Hematopoietic Specification -- Role of VEGF in Organogenesis -- VEGF and Endothelial Guidance in Angiogenic Sprouting -- Vascular and Nonvascular Roles of VEGF in Bone Development -- VEGF in the Nervous System.