ethmoidal artery vs arteria

ethmoidal artery and arteria both are nouns.

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

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

ethmoidal artery: a branch of the ophthalmic artery supplying structures in and around the nasal capsule
arteria: a blood vessel that carries blood from the heart to the body

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

ethmoidal artery (noun)	arteria (noun)
a branch of the ophthalmic artery supplying structures in and around the nasal capsule	a blood vessel that carries blood from the heart to the body