Arterial

/ɑrˈtɪriəl/ adjective

Definition

Related to arteries; or relating to a main route or road that carries heavy traffic.

Etymology

From Latin 'arteria,' from Greek 'arteria' (windpipe, artery). Originally meant airway but was misapplied to blood vessels. The '-ial' suffix means 'relating to.'

Kelly Says

Arteries got their name from the misconception that they carried air, not blood—ancient Greek doctors literally called them 'air tubes!' The name stuck even after we discovered the truth, showing how scientific names persist even when their origins are wrong.

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