American spelling: the physiological process by which venous blood is converted to arterial blood, typically through oxygenation in the lungs.
From arterial + -ization (American -ization suffix), ultimately from Greek -ízein. This American spelling standardized to -ize and -ization in the 19th century, diverging from British conventions.
The term arterialization describes something your lungs do billions of times a day—turning sluggish, blue-ish deoxygenated blood into bright red, oxygen-carrying arterial blood, which is why arterial blood is the body's premium fuel delivery system.
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