| 单词 | protractor muscle |
| 释义 | > as lemmasprotractor muscle 4. Zoology. A muscle whose contraction protracts or extends a limb or organ. Also more fully protractor muscle. ΘΚΠ 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 1853 Philos. Trans. (Royal Soc.) 143 31 When this organ [sc. the molluscan tongue] is in action, it is commonly more or less protruded from the mouth by the protractor muscles. 1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. v. ii. 276 Four muscles, two of which are protractors [Fr. protracteurs], and two retractors. 1871 T. H. Huxley Man. Anat. Vertebrated Animals 49 The psoas minor..is a protractor of the pelvis. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) vii. 96 Close to the adductors are the smaller protractor and retractor muscles of the foot, the origins of which have already been seen on the inner surface of the shell. 1984 Times Lit. Suppl. 7 Sept. 984/3 Though the camel is retromingent, its powerful protractor muscles absolve it from the difficult feat of retrocopulation. 1997 G. S. Helfman et al. Diversity of Fishes iv. 37/1 Muscles are arranged in pairs at the bases of the dorsal and anal fins: protractors erect the fins and retractors depress the fins. < as lemmas |
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