brain - neurology, liver - ?

HEPATOLOGY
WordClue
OILcod-liver or mineral
HEADmind, brain
MINDbrain
STEMbrain or onion
BRAINhepatology - liver, neurology - ?
HARNSbrain
HEARTneurology - brain, cardiology - ?
LIVERneurology - brain, hepatology - ?
TEETHneurology - brain, stomatology - ?
HELMETbrain bucket
REASONmind, brain
HEPATITISinflammation of the liver tissue
NEUROLOGYliver - hepatology, brain - ?
CARDIOLOGYbrain - neurology, heart - ?
CONCUSSIONtraumatic brain injury
HIPPOCAMPUSpart of brain
STOMATOLOGYbrain - neurology, teeth - ?
ENCEPHALITISInflammation of the brain
CARDIOLOGYbrain - neurology, heart - ?
STOMATOLOGYbrain - neurology, teeth - ?