Cardiac-muscle sentence example

cardiac-muscle
  • The systole is not altered in length, but the diastole is very much prolonged, and since this is the period not only of cardiac rest but also of cardiac "feeding" - the coronary vessels being compressed and occluded during systole - the result is greatly to benefit the nutrition of the cardiac muscle.
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  • Units of the sarcoplasmic reticulum surround the contractile fibrils in the interior of cardiac muscle cells.
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  • Thereafter follows the most important effect of the drug, which is a direct stimulation of the cardiac muscle.
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  • This can be proved to occur in a heart so embryonic that no nerves can be recognized in it, and in portions of cardiac muscle that contain neither nervecells nor nerve-fibres.
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  • The arrival of an action potential in the interior of the cardiac muscle cell causes the release of calcium ions from the sarcoplasmic reticulum.
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