vena digitalis vs digital vein

vena digitalis and digital vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena digitalis	Yes	No	No	No
digital vein	Yes	No	No	No

As nouns, vena digitalis and digital vein are synonyms defined as:

vena digitalis and digital vein: one of the veins serving the fingers or toes

vena digitalis (noun)	digital vein (noun)
one of the veins serving the fingers or toes	one of the veins serving the fingers or toes