(ärˈtə-rē)
noun pl. ar·ter·ies - Anatomy Any of the muscular elastic tubes that form a branching system and that carry blood away from the heart to the cells, tissues, and organs of the body.
- A major route of transportation into which local routes flow. See Synonyms at way.
Word History: The changed meaning of the word
artery provides a glimpse into the history of medical science. The word is derived from the ancient Greek
artēriā, a word originally applied to any of the vessels that emanated from the chest cavity, including arteries, veins, and the bronchial tubes. The difference in the functions of these vessels was not yet known; because they were all empty in cadavers, early anatomists supposed they all carried air. As medical knowledge advanced, however, students of anatomy realized that arteries carry blood and only the windpipe and bronchial tubes carry air. To specify the windpipe, they coined the phrase
artēriā trakheia, “rough artery,” referring to its rough cartilaginous structure. The adjective
trakheia, “rough,” entered modern English as
trachea, the current medical term for the windpipe.
