ileocolic vein vs vena ileocolica

ileocolic vein and vena ileocolica both are nouns.

Word	Noun	Adjective	Verb	Adverb
ileocolic vein	Yes	No	No	No
vena ileocolica	Yes	No	No	No

As nouns, ileocolic vein and vena ileocolica are synonyms defined as:

ileocolic vein and vena ileocolica: a vein that drains the end of the ileum and the appendix and the cecum and the lower part of the ascending colon

ileocolic vein (noun)	vena ileocolica (noun)
a vein that drains the end of the ileum and the appendix and the cecum and the lower part of the ascending colon	a vein that drains the end of the ileum and the appendix and the cecum and the lower part of the ascending colon