basal vein vs vena basalis

basal vein and vena basalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
basal vein	Yes	No	No	No
vena basalis	Yes	No	No	No

As nouns, basal vein and vena basalis are synonyms defined as:

basal vein and vena basalis: a large vein passing along the medial surface of the temporal lobe and emptying into the great cerebral vein

basal vein (noun)	vena basalis (noun)
a large vein passing along the medial surface of the temporal lobe and emptying into the great cerebral vein	a large vein passing along the medial surface of the temporal lobe and emptying into the great cerebral vein