The sapphire, together with the ruby, are members of the corundum group, which is the mineralogical name for aluminium oxide that crystallised into gemstones a long time ago as a result of pressure and heat at a great depth.
Vascular Neurology Doctors and Physicians (Vascular Neurologists) Vascular neurology is the study and treatment of vascular diseases of the nervous system. A neurologist is a physician who diagnoses and treats nervous system disorders. A vascular neurologist treats patients who have disorders of the veins and arteries in the nervous system. Diseased vessels that provide circulation to the nervous system can generate problems such as a stroke or hemorrhage that affects the brain or spinal cord.
Neurologist Job Description. Neurology is one of the most challenging fields in medicine. Neurologists are medical physicians concerned with the health of the central, peripheral and automomous nervous systems. This includes disorders and diseases of the brain, head, spinal cord, and associated muscles and blood vessels.