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Muscle Spindles MeSH Descriptor Data 2022


MeSH Heading
Muscle Spindles
Tree Number(s)
A08.675.650.915.750.500
A08.800.950.750.500
A10.690.552.500.750
A11.671.650.915.750.500
Unique ID
D009470
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009470
Scope Note
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.
Entry Term(s)
Muscle Stretch Receptors
Neuromuscular Spindles
Receptors, Stretch, Muscle
Stretch Receptors, Muscle
NLM Classification #
WL 102.9
See Also
Reflex, Stretch
Public MeSH Note
93; was NEUROMUSCULAR SPINDLES 1965-92; was see under NERVE ENDINGS 1963-64
Online Note
use MUSCLE SPINDLES to search NEUROMUSCULAR SPINDLES 1966-92
History Note
93; was NEUROMUSCULAR SPINDLES 1965-92; was see under NERVE ENDINGS 1963-64
Date Established
1965/01/01
Date of Entry
1999/01/01
Revision Date
2014/06/13
Muscle Spindles Preferred
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