heart hypertrophy photomicrograph

anatomy biology cardiac cardiomegaly cardiomyopathy cardiovascular cell closeup disease failure fiber healthcare heart hematoxilin histology histophatology human hypertrophic hypertrophy laboratory left light macro magnification medical micro micrograph microphotograph microscope microscopic microscopy muscle myocardium myocyte pathology photomicrograph physiology science slide staining striated system tissue vascular ventricular zoom