1.Purinergic and Pyriminergic Activation of the Endothelium in Regulation of Tissue Perfusion. 2.Nucleotides and Novel Signaling Pathways in Endothelial Cells: Possible Roles in Angiogenesis, Endothelial Dysfunction and Diabetes Mellitus. 3.Extracellular Purines in Endothelial Cell Barrier Regulation. 4.TheP2Y2 Nucleotide Receptor in Vascular Inflammation and Angiogenesis. 5.Role of Purine-Converting Ecto-Enzymes in Angiogenic Phenotype of Pulmonary Artery Adventitial Vasa Vasorum Endothelial Cells of Chronically Hypoxic Calves. 6.Stimulation of Wound Revascularization by Adenosine Receptor Activation. 7.Hypoxia-Inducible Factors and Adenosine Signaling in Vascular Growth. 8.Regulated Extracellular Nucleotide Metabolism and Function at the Mucosa. 9.Cell Surface ATP Synthase: A Potential Target for Anti-Angiogenic Therapy. 10.ATP Release Via Connexin Hemichannels Controls Intercellular Propagation of Ca2+ Waves in Corneal Endothelial Cells. 11.Pregnancy Induced Reprogramming of Endothelial Function in Response to ATP: Evidence for Post Receptor Ca2+ Signaling Plasticity. 12.Purinergic Signalling in Pancreatic Islet Endothelial Cells. Index.