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Repolarization of the sarcolemma refers to the process of restoring the electrical charge across the muscle cell membrane following depolarization. It involves the movement of potassium ions out of the cell, returning the membrane potential to its resting state. This repolarization phase is critical for the muscle cell to prepare for its next contraction.
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What is a cell membrane of a muscle fiber called?
what is the plasma membrane of the muscle cell
What is the plasma membrane of the muscle fiber?
The plasma membrane of a muscle fiber is called the sarcolemma. It surrounds the muscle cell and is responsible for controlling the passage of substances in and out of the cell, as well as transmitting signals for muscle contraction. The sarcolemma is essential for maintaining the integrity and function of the muscle fiber.
The plasma membrane of muscle cells is called the?
the sarcolemma encloses the muscle cell
Atrial repolarization coincides in time with?
the ventricular depolarization, which masks the atrial repolarization wave on the electrocardiogram. This is because the QRS complex is much larger than the atrial repolarization wave and overlaps with it, making it difficult to distinguish on the ECG.
When the chemically gated ion channels open which ion is mainly responsible for depolarizing the sarcolemma?
The main ion responsible for depolarizing the sarcolemma is sodium (Na+).
What is a cell membrane of a muscle fiber called?
what is the plasma membrane of the muscle cell
Is sarcolemma a ligament?
No, the sarcolemma is the plasma membrane of a muscle cell.
What is the plasma membrane of the muscle fiber?
The plasma membrane of a muscle fiber is called the sarcolemma. It surrounds the muscle cell and is responsible for controlling the passage of substances in and out of the cell, as well as transmitting signals for muscle contraction. The sarcolemma is essential for maintaining the integrity and function of the muscle fiber.
Is Sarcomere and sarcolemma the same thing?
sarcomere and sarcolemma are two different things. a sarcomere is between two d zisks of a myofiber (muscle fiber). a sarcolemma is a plasma membrane. there are many sections of sarcomere under the layer of sarcolemma.
Repolarization of a ventricular cardiocyte taks longer then repolarization of a typical neuron?
yes
What is the portion of the ECG that indicates ventricular repolarization?
The wave indicating atrial repolarization wave is hidden by the QRS complex. Ventricular repolarization is indicated by the T wave.
The plasma membrane of muscle cells is called the?
the sarcolemma encloses the muscle cell
What is the treatment for sarcolemma?
Sarcolemma is defined as a thin membrane encasing a muscle fiber. This has no treatment as it is not an illness, injury or problem.
Atrial repolarization coincides in time with?
the ventricular depolarization, which masks the atrial repolarization wave on the electrocardiogram. This is because the QRS complex is much larger than the atrial repolarization wave and overlaps with it, making it difficult to distinguish on the ECG.
Where are acetycholine receptors found?
In the Sarcolemma
What is that thin membrane surrounding a muscle fiber called?
its called the plasma membrane or cell membrane. sometimes the semi-permeable plasma membrane. The Sarcolemma is the plasma membrane specifically surrounding a muscle fiber.
What is atrial repolarization indicated by?
The atrial repolarization occurs during the QRS complex of the ECG but is obscured by the ventricle depolarization.
