medical Definition of natural 1: having, constituting, or relating to a classification based on features existing in nature 2: of or relating to nature as an object of study and research
The apical pulse is a measure of cardiac function that is completed by placing a stethoscope at the apex of the heart and counting for one minute. It represents the opening and closing of the valves in the heart.
apical. 1  of, at, or forming the apex. 2  Phonetics. (of a speech sound) articulated principally with the aid of the tip of the tongue, as t or d. 3  Phonetics. an apical sound.