Medical Author: William C. Shiel Jr., MD, FACP, FACR; Arterial aneurysm: An aneurysm involving an artery. Aneurysm definition, a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall. Meaning and definition of aneurysm: A thin sac caused by a weakened area in the walls of blood vessels or the heart. The longer and more you smoke or chew tobacco, the greater the chances of developing an aortic aneurysm… The bulging develops from a weakness or defect in the aortic wall. Medical terminology Glossary of medical terms . Medical Definition of Abdominal aneurysm. Intracranial Aneurysm: Abnormal outpouching in the wall of intracranial blood vessels.Most common are the saccular (berry) aneurysms located at branch points in CIRCLE OF WILLIS at the base of the brain. If an aneurysm ruptures, it will cause internal bleeding. A person may have an unruptured aneurysm without any symptoms. See more. The aorta, which can develop these abnormal bulges, is the large blood vessel that carries oxygen-rich blood away from the heart to the rest of the body. Learn more. Medical Information Search. An aneurysm ruptured in her brain and she had 40 percent chance of survival. A thoracic aortic aneurysm occurs along the part of the aorta that passes through the chest cavity. An abdominal aortic aneurysm occurs along the part of the aorta that passes through the abdomen. Medical definition of pseudoaneurysm: a vascular abnormality (as an elongation or buckling of the aorta) that resembles an aneurysm in radiography. Define aneurysm. aneurysm. The vessel develops a "blister-like" dilation that can become thin and rupture without warning. Definitions. Aneurysms also can happen in arteries in the brain, heart and other parts of the body. intracranial aneurysm. Medical Author: Melissa Conrad Stöppler, MD; Aneurysm, cardiac: An outpouching of an abnormally thin portion of the heart wall. Abdominal aortic aneurysm repair is a procedure used to treat an aneurysm (abnormal enlargement) of the abdominal aorta. Medical Definition of Fusiform aneurysm Medical Author: William C. Shiel Jr., MD, FACP, FACR Fusiform aneurysm : An outpouching or widening of an artery or a vein that is shaped like a spindle. Doctors at Mayo Clinic performed a procedure that saved her life, without open brain surgery. Definition. A cerebral or intracranial aneurysm is an abnormal focal dilation of an artery in the brain that results from a weakening of the inner muscular layer (the intima) of a blood vessel wall. Definition of aneurysm noun in Oxford Advanced Learner's Dictionary. EVAR procedure performed at SMBB trauma centre Abdominal aortic aneurysm (AAA), a swelling of the aorta, the main artery that supplies blood to the body, can quickly lead to death with little warning. Aneurysms may be a result of a hereditary condition or an acquired disease. This bulge can rupture and cause internal bleeding. A brain aneurysm is a bulge that forms in the blood vessel of your brain that could lead to severe health issues and possibly death. Abdominal aortic aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Abdominal aneurysm: An aneurysm situated within the abdomen (belly). Smoking is the strongest risk factor. Aortic Aneurysm, Abdominal: An abnormal balloon- or sac-like dilatation in the wall of the ABDOMINAL AORTA which gives rise to the visceral, the parietal, and the terminal (iliac) branches below the aortic hiatus at the diaphragm. aneurysm synonyms, aneurysm pronunciation, aneurysm translation, English dictionary definition of aneurysm. The aorta is the body's largest artery. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. An intracranial aneurysm, also known as a brain aneurysm, is a cerebrovascular disorder in which weakness in the wall of a cerebral artery or vein causes a localized dilation or ballooning of the blood vessel.. Aneurysms in the posterior circulation (basilar artery, vertebral arteries and posterior communicating artery) have a higher risk of rupture. Intracranial Aneurysm: Abnormal outpouching in the wall of intracranial blood vessels.Most common are the saccular (berry) aneurysms located at branch points in CIRCLE OF WILLIS at the base of the brain. Medical Information Search. Definitions. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death. medical aneurysm definition in the English Cobuild dictionary for learners, medical aneurysm meaning explained, see also 'medical examiner',medically',medicinal',medic', English vocabulary https://word2speech.com/medical/ Aneurysm, renal Aneurysm, renal: An aneurysm involving the kidney artery. Medical definition of berry aneurysm: an aneurysm of a cerebral artery that resembles a berry or sac in shape and typically occurs at an arterial junction in the circle of Willis. If an aneurysm in the brain bursts, it causes a stroke. But if an aneurysm becomes large it can sometimes cause a pulsating feeling in your abdomen, or persistent back pain. As an aneurysm increases in size, the sac tends to become thinner, and the risk of its breaking becomes greater. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Definitions. aortic aneurysm. It carries blood from the heart and delivers it to the rest of the body. Aortic Aneurysm Definition An aneurysm is an abnormal bulging or swelling of a portion of a blood vessel. Definition of aneurysm noun in Oxford Advanced American Dictionary. Medical Information Search. Often a rupture is treated with surgery, especially endovascular surgery. An aortic aneurysm is a weak, bulging area in the wall of the aorta. IMAGES Heart Illustration Browse through our medical image collection to see illustrations of human anatomy and physiology See Images. The resultant bleeding into the space around the brain is called a subarachnoid hemorrhage (SAH). aneurysm left: normal abdominal aorta right: abdominal aortic aneurysm … Although an aneurysm can occur in … This is a medical emergency and you should call 999 immediately … Medical definition of microaneurysm: a saccular enlargement of the venous end of a retinal capillary associated especially with diabetic retinopathy. Aneurysm in italian is aneurisma aneurisma in inglese è aneurysm For the term aneurysm may also exist other definitions and meanings , the meaning and definition indicated above are indicative not be used for medical and legal or special purposes . Most aneurysms occur in the aorta, the main artery that runs from the heart through the chest and abdomen. aneurysm meaning: 1. a swollen area on the wall of an artery 2. a swollen area on the wall of an artery. ; In some cases, an individual may have an abdominal aortic aneurysm and a thoracic aortic aneurysm. An aneurysm is an outward bulging, likened to a bubble or balloon, caused by a localized, abnormal, weak spot on a blood vessel wall. Cardiac aneurysms tend to involve the left ventricle because the blood there is under the greatest pressure. It can weaken the aortic walls, increasing the risk not only of developing an aortic aneurysm, but of rupture. Medical Definition of Arterial aneurysm. The aorta travels through the chest and the abdomen. ; Thoracic aortic aneurysm. An aneurysm occurs when an artery’s wall weakens and causes an abnormally large bulge. If an aneurysm in the brain breaks open (ruptures), it is an emergency that needs medical treatment in the hospital. 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