3 Questions
Which structures detect changes in length of the surrounding muscle fibers caused by body movements?
Muscle spindles
What type of fibers are densely filled with nuclei and surrounded by a connective tissue capsule in muscle spindles?
Intrafusal fibers
Which structure collects information about the degree of tension among tendons?
Golgi tendon organs
Study Notes
Muscle Feedback Mechanisms
- Muscle spindles detect changes in length of the surrounding muscle fibers caused by body movements.
Muscle Spindle Structure
- Muscle spindles contain intrafusal fibers, which are densely filled with nuclei and surrounded by a connective tissue capsule.
Tendon Tension Feedback
- Golgi tendon organs collect information about the degree of tension among tendons.
Test your knowledge on muscle spindles and Golgi tendon organs with this quiz. Learn about the structures, functions, and sensory nerve axons associated with these important stretch detectors found in skeletal muscle fascicles.
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