Cardiac muscle
Understand the Problem
The question seems to be a general inquiry about cardiac muscle, likely seeking information about its structure, function, or characteristics.
Answer
The cardiac muscle is involuntary, striated, and forms the heart's myocardium.
Cardiac muscle is an involuntary, striated muscle that constitutes the main tissue of the heart's wall. It makes up the thick middle layer, known as the myocardium. This muscle type is responsible for the contractility of the heart and enables it to pump blood.
Answer for screen readers
Cardiac muscle is an involuntary, striated muscle that constitutes the main tissue of the heart's wall. It makes up the thick middle layer, known as the myocardium. This muscle type is responsible for the contractility of the heart and enables it to pump blood.
More Information
The cardiac muscle's unique composition of intercalated disks allows for the synchronized contraction necessary for the heart's function. It is distinct from other muscle types, such as skeletal and smooth muscle, due to its specialized striations and involuntary control.
Tips
A common mistake is confusing cardiac muscle with skeletal and smooth muscle, which have different structures and functions.
Sources
- Cardiac muscle - Wikipedia - en.wikipedia.org
- Physiology, Cardiac Muscle - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Cardiac muscle | Definition, Function, & Structure - Britannica - britannica.com
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