labyrinthine artery vs artery

labyrinthine artery and artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
labyrinthine artery	Yes	No	No	No
artery	Yes	No	No	No

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

labyrinthine artery: an artery that is a branch of the basilar artery that supplies the labyrinth
artery: a blood vessel that carries blood from the heart to the body

Other hypernyms of labyrinthine artery include arteria, arterial blood vessel.

labyrinthine artery (noun)	artery (noun)
an artery that is a branch of the basilar artery that supplies the labyrinth	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body