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cardiac muscle |
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cardiac muscle [′kärd·ē‚ak ¦məs·əl] (histology) The principal tissue of the vertebrate heart; composed of a syncytium of striated muscle fibers. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The human body has three types of muscles: smooth muscles, which control the movement of organs such as the intestines; cardiac muscles, which pump blood in and out of the heart; and skeletal muscles, which help cheerleaders move their bodies. Reduced muscle mass means reduced reserve at times of illness, as well as weakened respiratory and cardiac muscles. Cardiovascular pump dysfunction Abnormalities of the cardiac muscles, valves, conduction, or circulation that interrupt or interfere with cardiac output or circulation. |
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