vena appendicularis vs vena

vena appendicularis and vena both are nouns.

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

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

vena appendicularis: a vein that accompanies the appendicular artery and empties into the ileocolic vein
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena appendicularis (noun)	vena (noun)
a vein that accompanies the appendicular artery and empties into the ileocolic vein	a blood vessel that carries blood from the capillaries toward the heart