digital arteries vs artery

digital arteries and artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
digital arteries	Yes	No	No	No
artery	Yes	No	No	No

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

digital arteries: arteries in the hand and foot that supply the fingers and toes
artery: a blood vessel that carries blood from the heart to the body

Other hypernyms of digital arteries include arteria, arterial blood vessel.

digital arteries (noun)	artery (noun)
arteries in the hand and foot that supply the fingers and toes	a major thoroughfare that bears important traffic
	a blood vessel that carries blood from the heart to the body