stomatology - teeth, hepatology - ?

LIVER
WordClue
GUMThe flesh around the teeth
BRAINstomatology - teeth, neurology - ?
HEARTstomatology - teeth, cardiology - ?
TEETHhepatology - liver, stomatology - ?
NEUROLOGYteeth - stomatology, brain - ?
CARDIOLOGYteeth - stomatology, heart - ?
HEPATOLOGYteeth - stomatology, liver - ?
STOMATOLOGYliver - hepatology, teeth - ?
HEARTstomatology - teeth, cardiology - ?
BRAINstomatology - teeth, neurology - ?