metatarsal artery vs arteria

metatarsal artery and arteria both are nouns.

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

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

metatarsal artery: dorsal and plantar arteries to the metatarsal region of the foot
arteria: a blood vessel that carries blood from the heart to the body

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

metatarsal artery (noun)	arteria (noun)
dorsal and plantar arteries to the metatarsal region of the foot	a blood vessel that carries blood from the heart to the body