vena vesicalis vs vena

vena vesicalis and vena both are nouns.

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

As nouns, vena is a hypernym of vena vesicalis; that is, vena is a word with a broader meaning than vena vesicalis:

vena vesicalis: veins that drain the vesical plexus and join the internal iliac veins
vena: a blood vessel that carries blood from the capillaries toward the heart

Other hypernyms of vena vesicalis include vein, venous blood vessel.

vena vesicalis (noun)	vena (noun)
veins that drain the vesical plexus and join the internal iliac veins	a blood vessel that carries blood from the capillaries toward the heart