vaginal artery vs arteria

vaginal artery and arteria both are nouns.

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

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

vaginal artery: a branch of the internal iliac that provides blood for the vagina and the base of the bladder and the rectum
arteria: a blood vessel that carries blood from the heart to the body

Other hypernyms of vaginal artery include arterial blood vessel, artery.

vaginal artery (noun)	arteria (noun)
a branch of the internal iliac that provides blood for the vagina and the base of the bladder and the rectum	a blood vessel that carries blood from the heart to the body