has part has part has_part characteristic of characteristic of part of has modifier cardiac muscle cell apoptotic process abnormal apoptosis abnormal muscle physiology abnormal cardiomyocyte apoptosis Note that this is a generic term that applies to cardiomyocytes irrespective of the life stage of the organism, that is, regardless of whether cardiac muscle cells are still in the process of differentiation or terminally differentiated. abnormal cardiac muscle cell apoptosis change in the timing or the number of cardiac muscle cells undergoing programmed cell death MPheno.ontology MP:0003221 quality abnormal myocardium