Muscle Spindles
Synonyms
Muscle Spindle
Muscle Stretch Receptor
Muscle Stretch Receptors
Neuromuscular Spindle
Neuromuscular Spindles
Receptor, Muscle Stretch
Receptors, Muscle Stretch
Receptors, Stretch, Muscle
Spindle, Muscle
Spindle, Neuromuscular
Spindles, Muscle
Spindles, Neuromuscular
Stretch Receptor, Muscle
Stretch Receptors, Muscle
Skeletal muscle structures that function as the MECHANORECEPTORS responsible for the stretch or myotactic reflex (REFLEX, STRETCH). They are composed of a bundle of encapsulated SKELETAL MUSCLE FIBERS, i.e., the intrafusal fibers (nuclear bag 1 fibers, nuclear bag 2 fibers, and nuclear chain fibers) innervated by SENSORY NEURONS.
See Also