gyrus vs temporal gyrus

gyrus and temporal gyrus both are nouns.

Word	Noun	Adjective	Verb	Adverb
gyrus	Yes	No	No	No
temporal gyrus	Yes	No	No	No

As nouns, temporal gyrus is a hyponym of gyrus; that is, temporal gyrus is a word with a more specific, narrower meaning than gyrus:

gyrus: a convex fold or elevation in the surface of the brain
temporal gyrus: any of the convolutions of the outer surface of the temporal lobe of the cerebrum

Other hyponyms of gyrus include frontal gyrus, parietal gyrus, occipital gyrus, central gyrus.

gyrus (noun)	temporal gyrus (noun)
a convex fold or elevation in the surface of the brain	any of the convolutions of the outer surface of the temporal lobe of the cerebrum