Otot jantung: Perbedaan antara revisi

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'''Otot jantung''' adalah jenis [[otot lurik]] tidak sadar yang ditemukan di dinding [[jantung]], khususnya [[wikt:myocardium|myocardium]]. Otot jantung adalah satu dari tiga jenis [[otot]], yang lainnya adalah [[otot lurik]] dan [[otot polos]]. TheSel-sel cellsyang thatmeliputi compriseotot cardiac musclejantung, calleddisebut [[cardiomyocyte]]s oratau [[Myocardiocyte|myocardiocytealsel muscleotot cellsmyocardiocyteal]], candapat containberisi one, two, or very rarely three or four [[Cell nucleus|cell nuclei]].<ref>Pollard, Thomas D. and Earnshaw, William. C., "Cell Biology". Philadelphia: Saunders. 2007.</ref><ref>{{cite journal |author=Olivetti G, Cigola E, Maestri R, ''et al.'' |title=Aging, cardiac hypertrophy and ischemic cardiomyopathy do not affect the proportion of mononucleated and multinucleated myocytes in the human heart |journal=J. Mol. Cell. Cardiol. |volume=28 |issue=7 |pages=1463–77 |year=1996 |month=July |pmid=8841934 |doi=10.1006/jmcc.1996.0137 |url=}}</ref>
Coordinated [[muscular contraction|contractions]] of cardiac muscle cells in the heart propel [[blood]] out of the [[atrium (heart)|atria]] and [[ventricle (heart)|ventricles]] to the blood vessels of the left/body/systemic and right/lungs/pulmonary [[circulatory system]]s. This complex of actions makes up the [[systole (medicine)|systole]] of the heart.