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The muscle with the highest density of muscle spindles is typically the extraocular muscles, which control eye movement. Muscle spindles are sensory receptors that detect changes in muscle length and the rate of that change, playing a crucial role in proprioception and reflexes. Their high density in the extraocular muscles allows for precise control and rapid adjustments necessary for eye coordination and stability.
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The myotatic reflex is provoked by activation of What in a stretched muscle?
The myotatic reflex is provoked by activation of muscle spindles in a stretched muscle. These muscle spindles are sensory receptors that detect changes in muscle length and help regulate muscle contraction and body position. When a muscle is stretched, the muscle spindles send signals to the spinal cord, leading to a reflex contraction to prevent overstretching.
What are muscle spindles sensitive to?
tension
What group of muscles have the most muscle spindles?
Muscle of the hand.
What Muscle spindles are receptors sensitive to?
tension
Do muscle spindles measure the rate of stretch of a muscle?
They measure the rate of change of length of a muscle.
What are the sensory receptors used to monitor muscle tone?
Muscle spindles are sensory receptors that monitor muscle tone. They are located within the muscle belly and are sensitive to changes in muscle length and stretch, providing feedback to the central nervous system about the state of muscle contraction.
The sensitivity of muscle spindles to stretch can be adjusted by?
gamma motoneurons
Where are the muscle spindles of the patellar reflex located?
they are located in knees.
What type of sensory receptors are made of very small skeletal muscle fibers?
muscle spindles
What is another name for muscle spindles?
Proprioceptors, stretch-reflex receptors.
What are encapsulated nerve endings?
Hair follicle receptors
What type of sensory receptors are made up of very small skeletal muscle fibers?
muscle spindles
