vena angularis vs vena

vena angularis and vena both are nouns.

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

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

vena angularis: a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena angularis (noun)	vena (noun)
a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein	a blood vessel that carries blood from the capillaries toward the heart