Definition of aneurysm noun in Oxford Advanced Learner's Dictionary. Definition of aneurysm noun in Oxford Advanced American Dictionary. An aneurysm ruptured in her brain and she had 40 percent chance of survival. ; In some cases, an individual may have an abdominal aortic aneurysm and a thoracic aortic aneurysm. The bulging develops from a weakness or defect in the aortic wall. intracranial 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. 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. A thoracic aortic aneurysm occurs along the part of the aorta that passes through the chest cavity. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Learn more. Medical definition of pseudoaneurysm: a vascular abnormality (as an elongation or buckling of the aorta) that resembles an aneurysm in radiography. Aortic Aneurysm: An abnormal balloon- or sac-like dilatation in the wall of AORTA. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW. Medical Definition of Aneurysm, cardiac. Aneurysm definition, a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall. Medical Definition of Arterial aneurysm. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Arterial aneurysm: An aneurysm involving an artery. Often a rupture is treated with surgery, especially endovascular surgery. Definition. Medical Information Search. The resultant bleeding into the space around the brain is called a subarachnoid hemorrhage (SAH). Definitions. 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. Medical Information Search. 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. If an aneurysm in the brain bursts, it causes a stroke. The vessel develops a "blister-like" dilation that can become thin and rupture without warning. But if an aneurysm becomes large it can sometimes cause a pulsating feeling in your abdomen, or persistent back pain. An aneurysm occurs when an artery’s wall weakens and causes an abnormally large bulge. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Aneurysms may be a result of a hereditary condition or an acquired disease. Most aneurysms occur in the aorta, the main artery that runs from the heart through the chest and abdomen. Doctors at Mayo Clinic performed a procedure that saved her life, without open brain surgery. Abdominal aortic aneurysm repair is a procedure used to treat an aneurysm (abnormal enlargement) of the abdominal aorta. aneurysm meaning: 1. a swollen area on the wall of an artery 2. a swollen area on the wall of an artery. ; Thoracic aortic aneurysm. Although an aneurysm can occur in … aneurysm synonyms, aneurysm pronunciation, aneurysm translation, English dictionary definition of aneurysm. 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… Aortic Aneurysm Definition An aneurysm is an abnormal bulging or swelling of a portion of a blood vessel. The aorta is the body's largest artery. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Abdominal aneurysm: An aneurysm situated within the abdomen (belly). Aneurysms also can happen in arteries in the brain, heart and other parts of the body. An aortic aneurysm is a weak, bulging area in the wall of the aorta. 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. This bulge can rupture and cause internal bleeding. 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 . Define aneurysm. Medical terminology Glossary of medical terms . Medical definition of microaneurysm: a saccular enlargement of the venous end of a retinal capillary associated especially with diabetic retinopathy. It can weaken the aortic walls, increasing the risk not only of developing an aortic aneurysm, but of rupture. Smoking is the strongest risk factor. This is a medical emergency and you should call 999 immediately … aneurysm. As an aneurysm increases in size, the sac tends to become thinner, and the risk of its breaking becomes greater. See more. A person may have an unruptured aneurysm without any symptoms. Medical Definition of Abdominal aneurysm. 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. Medical Author: Melissa Conrad Stöppler, MD; Aneurysm, cardiac: An outpouching of an abnormally thin portion of the heart wall. Definitions. It tends to get bigger with time. 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. The aorta travels through the chest and the abdomen. If an aneurysm ruptures, it will cause internal bleeding. aortic aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. aneurysm left: normal abdominal aorta right: abdominal aortic aneurysm … 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. IMAGES Heart Illustration Browse through our medical image collection to see illustrations of human anatomy and physiology See Images. https://word2speech.com/medical/ Aneurysm, renal Aneurysm, renal: An aneurysm involving the kidney artery. Medical Information Search. Cardiac aneurysms tend to involve the left ventricle because the blood there is under the greatest pressure. 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. 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 grows large, it can burst and cause dangerous bleeding or even death. 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. medical aneurysm definition in the English Cobuild dictionary for learners, medical aneurysm meaning explained, see also 'medical examiner',medically',medicinal',medic', English vocabulary Abdominal aortic aneurysm. Abdominal aortic aneurysm risk factors include: Tobacco use. It carries blood from the heart and delivers it to the rest of the body. Definitions. If an aneurysm in the brain breaks open (ruptures), it is an emergency that needs medical treatment in the hospital. 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