pancreatic vein vs venae pancreatica

pancreatic vein and venae pancreatica both are nouns.

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

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

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

pancreatic vein (noun)	venae pancreatica (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