vortex vein vs vena vorticosum

vortex vein and vena vorticosum both are nouns.

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

As nouns, vortex vein and vena vorticosum are synonyms defined as:

vortex vein and vena vorticosum: a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins

Other synonyms of vortex vein include vorticose vein.

vortex vein (noun)	vena vorticosum (noun)
a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins	a vein formed by branches from the back surface of the eye and the ciliary body; empties into the ophthalmic veins