Autopsy: a postmortem examination. From Greek, autoptēs 'eyewitness' (autos 'self' + optos 'seen'). Medicine has a longstanding practice of conducting Morbidity and Mortality (M&M) rounds. These rounds serve to improve quality of care and reflect a recognition of our professional fallibility and of the need to constantly monitor and improve Medical practice. M&Ms are a weekly rounds, open to the institutions’ health care professionals, in which cases are presented.