limbus vs body structure

limbus and body structure both are nouns.

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

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

limbus: a border or edge of any of various body parts distinguished by color or structure
body structure: a particular complex anatomical part of a living thing and its construction and arrangement

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

limbus (noun)	body structure (noun)
a border or edge of any of various body parts distinguished by color or structure	a particular complex anatomical part of a living thing and its construction and arrangement