Cardiology

Plaque in arteries may not all be the same

A specific type of immune cell is more commonly found in arterial plaque from patients suffering from a recent stroke or mini-stroke, according to preliminary research presented at the American Heart Association's Vascular ...

Cardiology

Post-bypass survival linked to civil status and class

Civil status, education, and income are factors shown to be clearly associated with duration of survival after a bypass operation. A postoperative patient aged 60 with a spouse or cohabiting partner, high educational attainment, ...

Cancer

Lung cancer: Less invasive surgery for faster recovery

Every day, 78 Canadians receive a diagnosis of lung cancer, the most deadly form of cancer in the country. Some of them will have one of the lobes of a lung removed by thoracotomy, a common, but risky surgical procedure that ...

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Artery

Arteries (from the Greek αρτηρία) are blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.

The circulatory system is extremely important for sustaining life. Its proper functioning is responsible for the delivery of oxygen and nutrients to all cells, as well as the removal of carbon dioxide and waste products, maintenance of optimum pH, and the mobility of the elements, proteins and cells of the immune system. In developed countries, the two leading causes of death, myocardial infarction and stroke each may directly result from an arterial system that has been slowly and progressively compromised by years of deterioration. (See atherosclerosis).

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