End artery End artery An end artery (or terminal artery) is an artery that is the only supply of oxygenated blood to a portion of tissue. Arteries which do not anastomose with their neighbors are called end arteries. There is no collateral circulation present besides the end arteries. Examples of an end artery include the splenic artery that supplies the spleen and the renal artery that supplies the kidneys. End arteries are of particular interest to medicine where they supply the heart or brain because if the arteries are occluded, the tissue is completely cut off, leading to a myocardial infarction or
Vertebral artery dissection cricketer Phillip Hughes died on 27 November 2014 after developing a vertebral artery dissection as a result of being struck on the side of the neck by a cricket ball during a Sheffield Shield match on 25 November 2014. The ball struck Hughes on the base of the skull just behind his left ear which caused a vertebral artery dissection complicated by subarachnoid hemorrhage. Vertebral artery dissection Vertebral artery dissection (VAD) is a flap-like tear of the inner lining of the vertebral artery, which is located in the neck and supplies blood to the brain. After the tear, blood enters