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Artery (Arteries)
  In our body, the Arteries (Artery), in our Arterial System (Arterial Blood System), are thick-walled vessels that carry blood away from the heart as part of the higher-pressure portion of the circulatory system.
In our body, except for the pulmonary arteries, all Arteries carry oxygenated blood away from the heart to the tissues that require oxygen.

Arterial tree organ
  In anatomy, the Arterial tree organ, aka Artery organ, is a blood vessel tree organ, as a subset of thevascular tree organ in which the entire lumen contains blood, and the organ parts are called the arteries.
  Examples of subsets, concepts, subjects and related entities of arterial tree organ include:

Pulmonary arterial tree

Systemic arterial tree

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