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Which muscle cells commonly branch?
the cell tissue is not in fact muscle tissue its penis tissue
What structure in skeletal mucle cells functions in calcium storage?
The structure within skeletal muscle cells responsible for calcium storage is the sarcoplasmic reticulum. It stores and releases calcium ions, which are crucial for muscle contraction and relaxation. When a muscle cell receives a signal to contract, calcium is released from the sarcoplasmic reticulum, allowing the muscle to shorten and generate force.
Which muscle cells can not regenerate?
Cardiac muscle cells cannot regenerate, meaning that they have limited ability to repair and replace damaged muscle tissue. This is because most cardiac muscle cells are terminally differentiated and do not undergo cell division.
How does the structure and function of cardiac muscle compare to skeletal muscle?
Cardiac muscle and skeletal muscle have some similarities in structure and function, but also key differences. Both types of muscle are striated, meaning they have a striped appearance under a microscope. However, cardiac muscle is involuntary and found only in the heart, while skeletal muscle is voluntary and attached to bones to help with movement. Cardiac muscle has intercalated discs that allow for rapid communication between cells, while skeletal muscle fibers are individual cells. Additionally, cardiac muscle has a longer contraction time and does not fatigue easily, while skeletal muscle can contract quickly and tires more easily.
What are the key differences in the structure and function between smooth muscle and cardiac muscle?
Smooth muscle is found in the walls of internal organs and blood vessels, while cardiac muscle is found in the heart. Smooth muscle is involuntary and under autonomic control, while cardiac muscle is also involuntary but has its own specialized conduction system. Smooth muscle cells are spindle-shaped and have a single nucleus, while cardiac muscle cells are branched and have one or two nuclei. Smooth muscle contracts slowly and rhythmically, while cardiac muscle contracts quickly and continuously.
Which muscle cells commonly branch?
the cell tissue is not in fact muscle tissue its penis tissue
What is a calcium channel blocker?
Calcium channel blockers are medicines that slow the movement of calcium into the cells of the heart and blood vessels.
Do smooth muscles have branched cells?
No, cardiac muscle cells are branched but skeletal muscle cells are linear and do not branch
What structure in skeletal mucle cells functions in calcium storage?
The structure within skeletal muscle cells responsible for calcium storage is the sarcoplasmic reticulum. It stores and releases calcium ions, which are crucial for muscle contraction and relaxation. When a muscle cell receives a signal to contract, calcium is released from the sarcoplasmic reticulum, allowing the muscle to shorten and generate force.
Cardiac muscle cells are like skeletal muscle cells in that?
Cardiac muscle cells are similar because they have striations which are strands of actin and myosin filaments. They also have mitochondria, transverse tubules, and sarcoplasmic reticulum.Cardiac muscle is different from skeletal muscle in that the muscle is branching, with intercalated dicks at the ends of them, store less calcium, the transverse tubules are larger, and their twitches are longer. Also, the entire cardiac muscle contracts as a whole, regulates itself, and is rhythmic.
Muscle tissue that has intercalated disks?
cardiac muscle cells are joined by intercalated disks.
What cells make up the myocardium?
The myocardium is composed of cardiomyocytes, which are specialized muscle cells that form the heart muscle tissue. These cells are responsible for contraction of the heart and pumping blood throughout the body.
The difference between the structure of cardiac muscle and skeletal muscle?
One key difference between cardiac and skeletal muscles is that skeletal muscles are controlled by the nervous system, while cardiac muscles move involuntarily. In addition, cardiac muscles are only found in the heart, while skeletal muscles are found throughout the entire body.
What effect do calcium slow channels have on shortening or lengthening the contraction of the heart muscle?
Calcium slow channels, also known as L-type calcium channels, play a crucial role in regulating the duration of cardiac muscle contraction. Activation of these channels leads to an influx of calcium ions into the cardiac muscle cells, which triggers contraction. Inhibition of these channels can result in decreased contractility and lengthening of the contraction phase of the heart muscle.
Which muscle cells can not regenerate?
Cardiac muscle cells cannot regenerate, meaning that they have limited ability to repair and replace damaged muscle tissue. This is because most cardiac muscle cells are terminally differentiated and do not undergo cell division.
What is done by calcium channel blockers?
Calcium channel blockers block the entry of calcium into muscle cells in artery walls. Muscle cells need calcium to constrict, so reducing their calcium keeps them more relaxed and lowers blood pressure.
How do you describe the cardiac muscle?
Cardiac muscle is involuntary striated muscle. The cells of cardiac muscle have only one nucleus. The layer of the heart that contains cardiac muscle is called the myocardium.
