paleostriatum vs basal ganglion

paleostriatum and basal ganglion both are nouns.

Word	Noun	Adjective	Verb	Adverb
paleostriatum	Yes	No	No	No
basal ganglion	Yes	No	No	No

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

paleostriatum: the inner pale yellow part of the lenticular nucleus
basal ganglion: any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement

paleostriatum (noun)	basal ganglion (noun)
the inner pale yellow part of the lenticular nucleus	any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement