arteria metacarpea vs metacarpal artery

arteria metacarpea and metacarpal artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria metacarpea	Yes	No	No	No
metacarpal artery	Yes	No	No	No

As nouns, arteria metacarpea and metacarpal artery are synonyms defined as:

arteria metacarpea and metacarpal artery: dorsal and palmar arteries of the hand

arteria metacarpea (noun)	metacarpal artery (noun)
dorsal and palmar arteries of the hand	dorsal and palmar arteries of the hand