Wernicke's center vs Wernicke's area

Wernicke's center and Wernicke's area both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wernicke's center	Yes	No	No	No
Wernicke's area	Yes	No	No	No

As nouns, Wernicke's center and Wernicke's area are synonyms defined as:

Wernicke's center and Wernicke's area: the auditory word center; located in the posterior part of the superior temporal convolution in most people

Wernicke's center (noun)	Wernicke's area (noun)
the auditory word center; located in the posterior part of the superior temporal convolution in most people	the auditory word center; located in the posterior part of the superior temporal convolution in most people