gyrus vs body structure

gyrus and body structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
gyrus	Yes	No	No	No
body structure	Yes	No	No	No

As nouns, body structure is a hypernym of gyrus; that is, body structure is a word with a broader meaning than gyrus:

gyrus: a convex fold or elevation in the surface of the brain
body structure: a particular complex anatomical part of a living thing and its construction and arrangement

Other hypernyms of gyrus include anatomical structure, bodily structure, complex body part, structure.

gyrus (noun)	body structure (noun)
a convex fold or elevation in the surface of the brain	a particular complex anatomical part of a living thing and its construction and arrangement