angular vein vs vena angularis

angular vein and vena angularis both are nouns.

Word	Noun	Adjective	Verb	Adverb
angular vein	Yes	No	No	No
vena angularis	Yes	No	No	No

As nouns, angular vein and vena angularis are synonyms defined as:

angular vein and vena angularis: a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein

angular vein (noun)	vena angularis (noun)
a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein	a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein