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单词 muscle spindle
释义

muscle spindlen.

Brit. /ˈmʌsl ˌspɪndl/, U.S. /ˈməs(ə)l ˌspɪnd(ə)l/
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: muscle n., spindle n.
Etymology: < muscle n. + spindle n., after German Muskelspindel (W. Kühne 1863, in Arch. f. Pathol. Anat. u. Physiol. 27 528).
Anatomy and Physiology.
A fusiform bundle of specialized muscle fibres with sensory and motor innervation enclosed in a capsule of connective tissue, present in large numbers in skeletal muscle and sensitive especially to stretch.
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the world > life > the body > structural parts > muscle > parts of muscle > [noun]
wella1400
fontanelle?a1425
head?a1425
belly1591
venter1615
tail1719
myotome1857
sclerotome1857
myomere1868
muscle spindle1894
spindle1894
Z line1916
Z band1950
dyad1957
triad1957
1894 Jrnl. Physiol. 17 238 He [sc. Kühne] designated the bundles simply in virtue of their shape, muscle-spindles, ‘muskel-spindeln’, the name adopted here as the most suitable of all that have been applied.
1930 A. A. Maximow & W. Bloom Text-bk. Histol. xiv. 276 Not infrequently, of two branches of the same sensory fiber one supplies a muscle spindle, the other a tendon spindle.
1974 R. A. Bergman & A. K. Afifi Atlas Microsc. Anat. vi. 140 Muscle spindles are found within skeletal muscles. Each spindle is formed of two to ten small muscle fibers, the intrafusal fibers, enclosed within a sheath of connective tissue.
1986 Times 24 July 22 Muscle spindles, the sense organs which record muscular tensions and so provide the ‘feed-back’ necessary for smooth movement.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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n.1894
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