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What consists of a somatic motor neuron plus all the skeletal muscle fibers it stimulates?
Wiki User
∙ 11y ago
motor unit
Wiki User
∙ 11y ago
A motor unit consists of a somatic motor neuron and all the skeletal muscle fibers it innervates. When the motor neuron fires an action potential, all the muscle fibers in its motor unit contract simultaneously. Motor units vary in size depending on the precision of movement required, with smaller units needed for fine control and larger units for more powerful movements.
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What structure is the effector for the somatic motor stimulation?
The effector for somatic motor stimulation is the skeletal muscle. Somatic motor neurons innervate these muscles, leading to voluntary movements. The motor unit, consisting of a motor neuron and the muscle fibers it innervates, is responsible for muscle contraction in response to somatic motor stimulation.
What type of muscle fibers are there?
You have three types of muscle fibers. 1) Skeletal muscle fibers. 2) Cardiac muscle fibers. 3) Smooth muscle fibers.
What is the role of the spindle fibers?
Spindle-shaped muscle fibers are skeletal muscles that produce external mobility to the body.
Which grouping consists of connecting fibers that enable the cell function as a unit?
Cytoskeleton consists of connecting fibers that enable the cell to function as a unit.
What travels from your brain to your skeletal muscle cells when you move?
When you decide to move, an electrical signal called an action potential is generated in your brain. This signal travels along your neurons and reaches the skeletal muscle cells via motor neurons. At the neuromuscular junction, a chemical called acetylcholine is released, which stimulates the muscle fibers to contract and initiate movement.
What are the fibers that carry information from the skin joints and skeletal muscles to the nervous system?
Somatic nerves from the somatic nervous system
What do somatic nerve fibers innervate?
Somatic nerve fibers innervate the structures responsible for conscious touch, pain, and temperature sensation in the skin, muscles, and joints. They are part of the peripheral nervous system and transmit sensory information from the body to the central nervous system.
What structure is the effector for the somatic motor stimulation?
The effector for somatic motor stimulation is the skeletal muscle. Somatic motor neurons innervate these muscles, leading to voluntary movements. The motor unit, consisting of a motor neuron and the muscle fibers it innervates, is responsible for muscle contraction in response to somatic motor stimulation.
Bone that consists of hardened fibers interspersed with many spaces?
Spongy bone provides lightweight support. Consists of hardened fibers interspersed with many spaces. Skeletal system made of calcium hardened collagen fibers that make it strong but flexible.
What is a group of skeletal muscle fibers?
A skeletal muscle
What neurotransmitter control the somatic nervous system and how does it work?
Acetylcholine (ACh) is the only neurotransmitter used in the motor division of the somatic nervous system. It works by binding to acetylcholine receptors on skeletal muscle fibers and opening ligand-gated sodium channels in the cell membrane.
What neurotransmitter controls the somatic nervous system how does it work?
Acetylcholine (ACh) is the only neurotransmitter used in the motor division of the somatic nervous system. It works by binding to acetylcholine receptors on skeletal muscle fibers and opening ligand-gated sodium channels in the cell membrane.
Is skeletal muscle made of muscle fibers?
Basically, yes. All muscle (skeletal, cardiac and smooth) are made of muscle fibers.
What motor neuron and all the muscle fibers it innervates called?
the motor unit
Skeletal muscle fibers are encased in?
Endomysium
What are skeletal muscle fibers enclosed in?
endomysium
Network that stimulates the myocardium into contraction?
His bundle? or the Purkinje fibers?
