cardiac muscle
Americannoun
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a specialized form of striated muscle occurring in the hearts of vertebrates.
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the myocardium.
Etymology
Origin of cardiac muscle
First recorded in 1900–05
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These cysts are most commonly found in neurons, but they also appear frequently in skeletal and cardiac muscle.
From Science Daily • Jan. 27, 2026
The team previously explored how cardiac muscle contractions are affected by temperature, determining that our heart can contract efficiently within the body temperature range.
From Science Daily • Oct. 25, 2023
The physiological significance of these findings will become clear when the functional difference between skeletal and cardiac muscle is considered.
From Science Daily • Oct. 25, 2023
Like smooth muscle, cardiac muscle cells contain only one nucleus.
From Textbooks • Jan. 1, 2015
As there was a slight tendency to irregular heart action also, I was inclined to think that there must be some cardiac muscle trouble.
From Psychotherapy by Walsh, James J. (James Joseph)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
