external nasal vein vs vena nasalis externa

external nasal vein and vena nasalis externa both are nouns.

Word	Noun	Adjective	Verb	Adverb
external nasal vein	Yes	No	No	No
vena nasalis externa	Yes	No	No	No

As nouns, external nasal vein and vena nasalis externa are synonyms defined as:

external nasal vein and vena nasalis externa: one of the veins that drain the external nose and empty into the angular or facial vein

external nasal vein (noun)	vena nasalis externa (noun)
one of the veins that drain the external nose and empty into the angular or facial vein	one of the veins that drain the external nose and empty into the angular or facial vein