arteria testicularis vs internal spermatic artery

arteria testicularis and internal spermatic artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria testicularis	Yes	No	No	No
internal spermatic artery	Yes	No	No	No

As nouns, arteria testicularis and internal spermatic artery are synonyms defined as:

arteria testicularis and internal spermatic artery: a branch of the aorta supplying the testicles

Other synonyms of arteria testicularis include testicular artery.

arteria testicularis (noun)	internal spermatic artery (noun)
a branch of the aorta supplying the testicles	a branch of the aorta supplying the testicles