vena perforantis vs perforating vein

vena perforantis and perforating vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena perforantis	Yes	No	No	No
perforating vein	Yes	No	No	No

As nouns, vena perforantis and perforating vein are synonyms defined as:

vena perforantis and perforating vein: veins that accompany the perforating arteries; drain leg muscles; empty into the deep femoral vein

vena perforantis (noun)	perforating vein (noun)
veins that accompany the perforating arteries; drain leg muscles; empty into the deep femoral vein	veins that accompany the perforating arteries; drain leg muscles; empty into the deep femoral vein