Against the opposition of the current President and leaders of the Democratic Party, they have fought to establish, and now to expand, the D.C. Opportunity Scholarship Program, through which thousands of low-income children have been able to attend a school of their choice and receive a quality education.
coronary occlusion. noun. Medical Definition of coronary occlusion. : the partial or complete blocking (as by a thrombus, by spasm, or by sclerosis) of a coronary artery.
Central retinal artery occlusion (CRAO) is a disease of the eye where the flow of blood through the central retinal artery is blocked (occluded). There are several different causes of this occlusion, the most common is carotid artery atherosclerosis. 1  1 Signs and symptoms.  2 Anatomy.