kinetochore vs body structure

kinetochore and body structure both are nouns.

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

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

kinetochore: a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
body structure: a particular complex anatomical part of a living thing and its construction and arrangement

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

kinetochore (noun)	body structure (noun)
a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape	a particular complex anatomical part of a living thing and its construction and arrangement