arteria lumbalis vs artery

arteria lumbalis and artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria lumbalis	Yes	No	No	No
artery	Yes	No	No	No

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

arteria lumbalis: one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall
artery: a blood vessel that carries blood from the heart to the body

Other hypernyms of arteria lumbalis include arteria, arterial blood vessel.

arteria lumbalis (noun)	artery (noun)
one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body