| 单词 | umbilical chord |
| 释义 | > as lemmasumbilical chord b. Applied to various structures; esp. the vocal chords, spermatic chord, spinal chord, and umbilical chord (see vocal adj. and n., etc.).These are now commonly spelled cord (see cord n.1). ΘΚΠ the world > life > the body > nervous system > nerve > types of nerves > [noun] sensitive?a1425 motivec1475 life stringc1522 recurrent1615 life corda1631 abducent1681 cord1774 chord1783 motor1824 afferent1828 excitor1836 nerve trunk1850 mixed nerve1861 inhibitory nerve1870 nervelet1875 vaso-motor1887 pilomotor1892 lemniscus1913 1783 P. Pott Chirurg. Wks. (new ed.) II. 472 The spermatic chord. 1804 J. Abernethy Surg. Observ. 53 The spermatic chord was thickened. 1807 Med. & Physical Jrnl. 17 352 The vessels of the umbilical chord. 1828 J. Stark Elements Nat. Hist. II. 74 Shell bivalve, adhering to marine bodies..by means of a tendinous chord. 1866 T. H. Huxley Lessons Elem. Physiol. (1869) vii. 203 According as the vocal chords are relaxed or tightened. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 25 Chords or tracts of cells. 1880 A. Günther Introd. Study of Fishes 51 To protect the spinal chord. < as lemmas |
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