vena basalis vs basal vein

vena basalis and basal vein both are nouns.

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

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

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

vena basalis (noun)	basal vein (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