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Muscle cell are stimulated by nerve fiber called a?
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What is the site where the muscle fiber and nerve fiber meet called?
Well of course they meet at the neuromuscular junction
The point of contract between the nerve ending and the muscle fiber is called a motor neuron?
Neuromuscular junction (NMJ)
Chemical that transmits a nerve stimulus to muscle fiber is?
acetylcholine
What are the structures within the muscle fiber that shorten to cause skeletal muscle fiber contraction?
The structures within the muscle fiber that shorten to cause skeletal muscle contraction are called myofibrils. Myofibrils are composed of repeating units called sarcomeres, which contain thick and thin filaments made of proteins (actin and myosin). When the muscle fiber is stimulated by a nerve impulse, the myosin heads interact with the actin filaments to generate the force required for muscle contraction.
What is the smooth endoplasmic reticulum of a muscle cell?
What is a synapse between a nerve fiver and a muscle fiber
What is the association site of nerve and muscle called?
The association site of a nerve and a muscle is called a neuromuscular junction. At this specialized synapse, motor neurons release neurotransmitters, such as acetylcholine, which bind to receptors on the muscle fiber's membrane, leading to muscle contraction. This junction is crucial for the communication between the nervous system and muscle tissue, enabling voluntary movement.
What is the term for termination of the nerve axon on the skeletal muscle fiber?
ganglionic synapse
Which substance is stored in the muscle's endoplasmic reticulum and then released when a nerve signal stimulates a muscle fiber?
Calcium ions
What process is called a nerve fiber?
Dendrites
What is the all none law of muscle response?
all-or-none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will give a complete response or otherwise no response at all
What is sacrolemma?
The sarcolemma is the cell membrane of a muscle fiber. It surrounds and protects the muscle fiber and controls the movement of substances into and out of the cell. The sarcolemma plays a crucial role in muscle contraction and the transmission of nerve impulses to the muscle fiber.
