occlusorn.

Brit.

/əˈkluːsə/, U.S.

/əˈklusər/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin occlūs- , occlūdere , -or suffix.

Etymology: < classical Latin occlūs-, past participial stem of occlūdere occlude v. + -or suffix.

Zoology.

A muscle (or, rarely: other structure) that serves to close an opening or passage. Frequently attributive, esp. in occlusor muscle.

ΘΚΠ

the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > closure

valvula1615

valvule1755

valvelet1793

valve1803

occlusor1877

the world > life > the body > structural parts > muscle > types of muscles > [noun]

sphincter1578

raiser1588

in-muscle?1609

oblique1612

abducens1615

abductor1615

adductor1615

antagonist1615

bender1615

depressor1615

extender1615

flexor1615

levator1615

quadratus1615

rectus1615

retractor1615

sphincter-muscle1615

accelerator1638

bicepsa1641

elevator1646

adducent1649

lifter1649

rotator1657

flector1666

contractor1682

dilater1683

orbicularis palpebrarum1694

transverse muscle1696

tensor muscle1704

biventer1706

extensor1713

attollent1728

constrictor1741

dilator1741

risibles1785

orbicularis oculi1797

obliquus1799

erector1828

extensor-muscle1830

compressor1836

trans-muscle1836

antagonizer1844

motor1846

evertor1848

inflector1851

protractor1853

prime mover1860

orbicular1872

transversalis1872

invertor1875

skeletal muscle1877

dilatator1878

occlusor muscle1878

sphincter1879

pilomotor1892

agonist1896

1847 A. Tulk tr. L. Oken Elements Physiophilos. 576 The occlusor muscles [Ger. Schließmuskeln]approximate and unite at their terminations.

1856–7 Proc. Royal Soc. 8 464 Of the former, or ‘valvular’ muscles, there are three pairs,–the adductors, cardinals, and accessory cardinals of previous writers; which the author [sc. A. Hancock] prefers to term occlusors, divaricators, and accessory divaricators.

1877 T. H. Huxley Man. Anat. Invertebrated Animals vii. 438 The vocal organ of the Fly would thus appear to be a modification of the occlusor apparatus of the stigmata.

1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 355 They form a defensive organ for the eye by the possession of occlusor muscles.

1895 A. E. Shipley in Cambr. Nat. Hist. III. xvii. 476 The two muscles thus formed probably representing the anterior and posterior occlusors of other forms.

1937 Philos. Trans. (Royal Soc.) B. 227 508 The occlusor muscle (o.m.) arises on the tergal wall immediately in front of the spiracle and is inserted on the proximal end of the spiracular trachea.

1987 Proc. Royal Soc. 1986–7 B. 229 435 On morphological grounds, Levereault (1938) proposed that the two muscles act as antagonists, one as a ‘dilator’ and the other as an ‘occlusor’.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	occlusor
释义	occlusorn. Brit. /əˈkluːsə/, U.S. /əˈklusər/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin occlūs- , occlūdere , -or suffix. Etymology: < classical Latin occlūs-, past participial stem of occlūdere occlude v. + -or suffix. Zoology. A muscle (or, rarely: other structure) that serves to close an opening or passage. Frequently attributive, esp. in occlusor muscle. ΘΚΠ the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > closure valvula1615 valvule1755 valvelet1793 valve1803 occlusor1877 the world > life > the body > structural parts > muscle > types of muscles > [noun] sphincter1578 raiser1588 in-muscle?1609 oblique1612 abducens1615 abductor1615 adductor1615 antagonist1615 bender1615 depressor1615 extender1615 flexor1615 levator1615 quadratus1615 rectus1615 retractor1615 sphincter-muscle1615 accelerator1638 bicepsa1641 elevator1646 adducent1649 lifter1649 rotator1657 flector1666 contractor1682 dilater1683 orbicularis palpebrarum1694 transverse muscle1696 tensor muscle1704 biventer1706 extensor1713 attollent1728 constrictor1741 dilator1741 risibles1785 orbicularis oculi1797 obliquus1799 erector1828 extensor-muscle1830 compressor1836 trans-muscle1836 antagonizer1844 motor1846 evertor1848 inflector1851 protractor1853 prime mover1860 orbicular1872 transversalis1872 invertor1875 skeletal muscle1877 dilatator1878 occlusor muscle1878 sphincter1879 pilomotor1892 agonist1896 1847 A. Tulk tr. L. Oken Elements Physiophilos. 576 The occlusor muscles [Ger. Schließmuskeln]approximate and unite at their terminations. 1856–7 Proc. Royal Soc. 8 464 Of the former, or ‘valvular’ muscles, there are three pairs,–the adductors, cardinals, and accessory cardinals of previous writers; which the author [sc. A. Hancock] prefers to term occlusors, divaricators, and accessory divaricators. 1877 T. H. Huxley Man. Anat. Invertebrated Animals vii. 438 The vocal organ of the Fly would thus appear to be a modification of the occlusor apparatus of the stigmata. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 355 They form a defensive organ for the eye by the possession of occlusor muscles. 1895 A. E. Shipley in Cambr. Nat. Hist. III. xvii. 476 The two muscles thus formed probably representing the anterior and posterior occlusors of other forms. 1937 Philos. Trans. (Royal Soc.) B. 227 508 The occlusor muscle (o.m.) arises on the tergal wall immediately in front of the spiracle and is inserted on the proximal end of the spiracular trachea. 1987 Proc. Royal Soc. 1986–7 B. 229 435 On morphological grounds, Levereault (1938) proposed that the two muscles act as antagonists, one as a ‘dilator’ and the other as an ‘occlusor’. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1847
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