1. Physiology. pertaining to the blood in the pulmonary vein, in the left side of the heart, and in most arteries, having been oxygenated during its passage through the lungs and being normally bright red.
2. Anatomy. of, relating to, or resembling the arteries.
3. being or constituting a main route, channel, or other course of flow or access, often with many branches: an arterial highway; an arterial drainage system. noun
4. a main route, channel, or other course of flow or acc
"pressures can be arterial."
"diseases can be arterial."
"roads can be arterial."
"saturations can be arterial."
"blockages can be arterial."
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