thalamostriate vein vs vena

thalamostriate vein and vena both are nouns.

Word	Noun	Adjective	Verb	Adverb
thalamostriate vein	Yes	No	No	No
vena	Yes	No	No	No

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

thalamostriate vein: a vein serving the thalamus and corpus striatum
vena: a blood vessel that carries blood from the capillaries toward the heart

Other hypernyms of thalamostriate vein include vein, venous blood vessel.

thalamostriate vein (noun)	vena (noun)
a vein serving the thalamus and corpus striatum	a blood vessel that carries blood from the capillaries toward the heart