vena vorticosum vs vena

vena vorticosum and vena both are nouns.

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

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

vena vorticosum: a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena vorticosum (noun)	vena (noun)
a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins	a blood vessel that carries blood from the capillaries toward the heart