ganglion vs neural structure

ganglion and neural structure both are nouns.

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

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

ganglion: an encapsulated neural structure consisting of a collection of cell bodies or neurons
neural structure: a structure that is part of the nervous system

ganglion (noun)	neural structure (noun)
an encapsulated neural structure consisting of a collection of cell bodies or neurons	a structure that is part of the nervous system