arteria coronaria vs artery

arteria coronaria and artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria coronaria	Yes	No	No	No
artery	Yes	No	No	No

As nouns, artery is a hypernym of arteria coronaria; that is, artery is a word with a broader meaning than arteria coronaria:

arteria coronaria: the artery that branches from the aorta to supply blood to the heart
artery: a blood vessel that carries blood from the heart to the body

Other hypernyms of arteria coronaria include arteria, arterial blood vessel.

arteria coronaria (noun)	artery (noun)
the artery that branches from the aorta to supply blood to the heart	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body