The Only Use

neurology
in
Listening for Lions
(Auto-generated)

When at the end of the year one of the residents, Edgar Nealthingham, asked the neurologist if it wasn't true that women's brains were smaller than men's, the doctor said, "Yes, Mr. Nealthingham, it is quite true and certainly a puzzle, since Miss Pritchard and Miss Kumar got first-class honors in their London examinations this year while you barely scraped through."†
Book 3

neurologist = physician that deals with the nervous system (including the brain)

Definitions:

(1) (neurology)
the branch of medicine that deals with the nervous system (including the brain)
(2) (meaning too rare to warrant focus)