marcapaso 82
pacemaker and pacemaker .. ( Tracing of the ingl. )( pacemaker ). 1. m. electronic device of small size which rhythmically excites the heart incapable of contracting by itself on a regular basis. 2. m. Biol. Body or system of physiological regulation that initiates and maintains the rhythm of certain functions of the body, such as heartbeat, uterine contractions, etc.