The nuclear patterns of the cardiac muscle fiber.
D000293:Adolescent; D000328:Adult; D002467:Cell Nucleus; D002648:Child; D005318:Fetal Heart / Q000166:cytology; D006321:Heart / Q000033:anatomy & histology*; D006331:Heart Diseases / Q000473:pathology*; D006652:Histological Techniques; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D009206:Myocardium / Q000166:cytology* / Q000473:pathology; D009929:Organ Size