labial artery vs artery

labial artery and artery both are nouns.

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

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

labial artery: an artery that is a branch of the facial artery that supplies the lips of the mouth
artery: a blood vessel that carries blood from the heart to the body

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

labial artery (noun)	artery (noun)
an artery that is a branch of the facial artery that supplies the lips of the mouth	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body