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What does the unique structure of cardiac muscle play in its function?
Cardiac muscle fibres contain GAP JUNCTION in the intercalated disc which makes them to function as a FUNCTIONAL SYNCYTIUM
Muscle tissue that has intercalated disks?
cardiac muscle cells are joined by intercalated disks.
What is The structure in cardiac muscle which allows contractions to spread quickly?
intercalated discs Human Anatomy and Physiology 8th edition Page 673
What is the sa node made of?
cardiac myocytes....
What are the key differences in the structure and function of cardiac muscle compared to skeletal muscle?
Cardiac muscle is found in the heart and is involuntary, meaning it contracts without conscious control. It has intercalated discs for rapid communication between cells. Skeletal muscle is attached to bones and is voluntary, allowing for conscious movement. It lacks intercalated discs but has striations for organized contraction.
What role does the unique structure of cardiac muscle play in its function?
Cardiac muscle has what is known as intercalated disks. These connect heart muscle cells to each other, which allows an impulse (contraction) to move through the heart synchronously and therefore beat as it should.
What are the two types of cardiac myocytes?
The two types of cardiac myocytes are atrial myocytes, found in the atria of the heart, and ventricular myocytes, found in the ventricles of the heart. Atrial myocytes help facilitate the contraction of the atria, while ventricular myocytes aid in the contraction of the ventricles to pump blood throughout the body.
What is the junction between cardiac cells?
Desmosomes and gap junctions But, more specifically...the junctions found in Cardiac muscles are called "Intercalated Discs" singular: INTERCALATED DISC plural: INTERCALATED DISCS
What is the junctions between cardiac muscle cells?
Desmosomes and gap junctions But, more specifically...the junctions found in Cardiac muscles are called "Intercalated Discs" singular: INTERCALATED DISC plural: INTERCALATED DISCS
What is the function of the intercalated disc?
Basically, the cardiac action potential travel across them, making it easier for the electrical impulses to move quickely.
Is brain cardiac muscle?
No. The brain is made up of nervous tissue, which is composed of specialized cells called neurons. Muscle tissue is composed of myocytes, or "muscle cells", which have a different organization, structure and function than nervous tissue.
What structure allows for uniform contraction of the cardiac muscle?
The intercalated discs are specialized structures in cardiac muscle that allow for uniform contraction. They contain gap junctions, which allow for rapid electrical communication between cells, ensuring synchronous contraction of the heart muscle. Additionally, desmosomes in the intercalated discs help to physically link neighboring cardiac muscle cells, allowing for force transmission during contraction.
