testicular artery vs arteria testicularis

testicular artery and arteria testicularis both are nouns.

Word	Noun	Adjective	Verb	Adverb
testicular artery	Yes	No	No	No
arteria testicularis	Yes	No	No	No

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

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

Other synonyms of testicular artery include internal spermatic artery.

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