vena vesicalis vs vesical vein

vena vesicalis and vesical vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena vesicalis	Yes	No	No	No
vesical vein	Yes	No	No	No

As nouns, vena vesicalis and vesical vein are synonyms defined as:

vena vesicalis and vesical vein: veins that drain the vesical plexus and join the internal iliac veins

vena vesicalis (noun)	vesical vein (noun)
veins that drain the vesical plexus and join the internal iliac veins	veins that drain the vesical plexus and join the internal iliac veins