The pollicomental reflex (Bracha's modification of the palmomental reflex), a useful sign in cerebral lesions.
D002539:Cerebral Arterial Diseases; D002680:Chin; D006801:Humans; D009424:Nervous System Physiological Phenomena; D012018:Reflex; D012021:Reflex, Abnormal; D013933:Thumb
CEREBRAL ARTERY DISEASES; CHIN; REFLEX; THUMB