Technical Background -- Unenhanced MR Angiography -- Contrast-Enhanced MR Angiography: Theory and Technical Optimization -- Time-resolved MR Angiography -- Image Processing in Contrast-Enhanced MR Angiography -- Contrast Agents -- Contrast Agents for MR Angiography: Current Status and Future Perspectives -- Head and Neck Vessels -- MR Angiography of Extracranial Carotid and Vertebral Arteries -…