To convert or transform into an arterial system, or to cause blood to become arterial in nature (oxygenated and bright red).
From 'arterial' (relating to arteries, from Latin 'arteria') plus the suffix '-ize' (Greek origin, meaning to cause or make). A medical/physiological term from 19th-century anatomy.
Arterialize describes a crucial moment in respiration—when dark venous blood passes through the lungs and becomes bright red oxygenated blood, a transformation that literally means blood is being refreshed with life.
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