arteria iliolumbalis vs arteria

arteria iliolumbalis and arteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria iliolumbalis	Yes	No	No	No
arteria	Yes	No	No	No

As nouns, arteria is a hypernym of arteria iliolumbalis; that is, arteria is a word with a broader meaning than arteria iliolumbalis:

arteria iliolumbalis: an artery that originates in the internal iliac artery and supplies the pelvic muscles and bones
arteria: a blood vessel that carries blood from the heart to the body

Other hypernyms of arteria iliolumbalis include arterial blood vessel, artery.

arteria iliolumbalis (noun)	arteria (noun)
an artery that originates in the internal iliac artery and supplies the pelvic muscles and bones	a blood vessel that carries blood from the heart to the body