vena brachiocephalica vs innominate vein

vena brachiocephalica and innominate vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena brachiocephalica	Yes	No	No	No
innominate vein	Yes	No	No	No

As nouns, vena brachiocephalica and innominate vein are synonyms defined as:

vena brachiocephalica and innominate vein: veins formed by the union of the internal jugular and subclavian veins

Other synonyms of vena brachiocephalica include brachiocephalic vein.

vena brachiocephalica (noun)	innominate vein (noun)
veins formed by the union of the internal jugular and subclavian veins	veins formed by the union of the internal jugular and subclavian veins