liver - hepatology, brain - ?

NEUROLOGY
List of words for the clue liver - hepatology, brain - ? from the crossword:
PATE TEETH STOMATOLOGY HEART CARDIOLOGY EEG ORGAN FOIE BILE LOBE OIL CPU IRON AMI PEA EEGS COD ENIAC IDEA
WordClue
GUMThe flesh around the teeth
OILcod-liver or mineral
HEADmind, brain
MINDbrain
STEMbrain or onion
BRAINhepatology - liver, neurology - ?
HARNSbrain
HEARThepatology - liver, cardiology - ?
LIVERneurology - brain, hepatology - ?
TEETHhepatology - liver, stomatology - ?
HELMETbrain bucket
REASONmind, brain
HEPATITISinflammation of the liver tissue
CARDIOLOGYliver - hepatology, heart - ?
CONCUSSIONtraumatic brain injury
HEPATOLOGYbrain - neurology, liver - ?
HIPPOCAMPUSpart of brain
STOMATOLOGYliver - hepatology, teeth - ?
ENCEPHALITISInflammation of the brain
POLKAlively dance originating in Bohemia
CARDIOLOGYliver - hepatology, heart - ?