vena paraumbilicalis vs vena

vena paraumbilicalis and vena both are nouns.

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

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

vena paraumbilicalis: small veins arising in skin around the navel; terminate as accessory portal veins
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena paraumbilicalis (noun)	vena (noun)
small veins arising in skin around the navel; terminate as accessory portal veins	a blood vessel that carries blood from the capillaries toward the heart