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
Heart attacks typically kill millions of cardiac muscle cells, leaving the heart in a weakened state.
From Science Daily • Apr. 26, 2024
Repairing cardiac muscle after a heart attack is the "holy grail" of heart research, complicated by the fact that heart tissue does not regenerate on its own.
From Science Daily • Jan. 24, 2024
Cardiomyocytes are distinctive muscle cells that are striated like skeletal muscle but pump rhythmically and involuntarily like smooth muscle; adjacent cells are connected by intercalated disks found only in cardiac muscle.
From Textbooks • Apr. 25, 2013
It is always more rapid in children than in adults, and generally diminishes in frequence after the age of 60, unless there is cardiac weakness or some cardiac muscle degeneration.
From Disturbances of the Heart by Osborne, Oliver T. (Oliver Thomas)
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.
