ovarian artery vs artery

ovarian artery and artery both are nouns.

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

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

ovarian artery: the artery that branches from the aorta and supplies blood to the ovaries
artery: a blood vessel that carries blood from the heart to the body

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

ovarian artery (noun)	artery (noun)
the artery that branches from the aorta and supplies blood to the ovaries	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body