venae pancreatica vs pancreatic vein

venae pancreatica and pancreatic vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
venae pancreatica	Yes	No	No	No
pancreatic vein	Yes	No	No	No

As nouns, venae pancreatica and pancreatic vein are synonyms defined as:

venae pancreatica and pancreatic vein: veins draining the pancreas and emptying into the superior mesenteric and splenic veins

venae pancreatica (noun)	pancreatic vein (noun)
veins draining the pancreas and emptying into the superior mesenteric and splenic veins	veins draining the pancreas and emptying into the superior mesenteric and splenic veins