encephalon vs neural structure

encephalon and neural structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
encephalon	Yes	No	No	No
neural structure	Yes	No	No	No

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

encephalon: that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
neural structure: a structure that is part of the nervous system

encephalon (noun)	neural structure (noun)
that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord	a structure that is part of the nervous system