Arterial blood
Arterial Blood
Arterial blood (/ɑːrˈtɪər.i.əl blʌd/) is the oxygenated blood in the circulatory system found in the arteries, excluding the pulmonary artery which carries deoxygenated blood to the lungs for oxygenation. The term "arterial blood" is derived from the Latin word "arteria", which means "windpipe", and the Old English word "blod", meaning "blood".
Overview
Arterial blood is bright red in color due to the presence of oxygen bound to hemoglobin in red blood cells. It is responsible for carrying oxygen from the heart to the rest of the body. The oxygen is then used by the body's cells for cellular respiration, a process that produces energy.
Arterial Blood Gas (ABG) Test
An Arterial Blood Gas (ABG) Test is a common medical procedure used to measure the levels of oxygen and carbon dioxide in arterial blood, as well as the blood's pH level. This test is often used to assess the functioning of the lungs and to diagnose and monitor respiratory diseases.
Related Terms
- Venous blood: The deoxygenated blood in the circulatory system that is found in the veins.
- Capillary blood: The blood in the smallest blood vessels, the capillaries, which is a mixture of arterial and venous blood.
- Pulse Oximetry: A non-invasive method used to monitor the oxygen saturation of a patient's blood.
- Hypoxemia: A condition characterized by low levels of oxygen in the blood.
- Hypercapnia: A condition characterized by an excess of carbon dioxide in the blood.
External links
- Medical encyclopedia article on Arterial blood
- Wikipedia's article - Arterial blood
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