vasa brevis vs gastric artery

vasa brevis and gastric artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
vasa brevis	Yes	No	No	No
gastric artery	Yes	No	No	No

As nouns, gastric artery is a hypernym of vasa brevis; that is, gastric artery is a word with a broader meaning than vasa brevis:

vasa brevis: several small arteries branching off of the splenic artery and going to the greater curvature of the stomach
gastric artery: the arteries that supply the walls of the stomach

Other hypernyms of vasa brevis include arteria gastrica.

vasa brevis (noun)	gastric artery (noun)
several small arteries branching off of the splenic artery and going to the greater curvature of the stomach	the arteries that supply the walls of the stomach