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词汇 dorsal
释义

Definition of dorsal in English:

dorsal

adjective ˈdɔːs(ə)lˈdɔrsəl
Anatomy Zoology Botany
  • On or relating to the upper side or back of an animal, plant, or organ.

    〔剖,动,植〕(动植物或器官的)上部的;背部的

    a dorsal view of the body

    对身体背部的查看。

    Compare with ventral
    the dorsal aorta

    背部主动脉。比较VENTRAL。

    Example sentencesExamples
    • Such a wasp held the fly with the middle and hind legs head forward and ventral or dorsal side up.
    • At approximately the seventh week of gestation, the ventral and dorsal buds fuse.
    • If either of these proteins is absent, then the motor axons select dorsal and ventral pathways randomly.
    • The waves continue coupled to a series of dorsal and ventral flexions of the whole body.
    • Just outside each vertebra, the dorsal and ventral roots unite to form a spinal nerve on each side.
    Synonyms
    rear, hind, back, hinder, rearward

Derivatives

  • dorsally

  • adverb
    Botany Anatomy Zoology
    • In insects, as in all arthropods, the main nerve cord lies ventrally, rather than dorsally as in vertebrates.
      Example sentencesExamples
      • This animal swims to escape predators by repeatedly flexing its body dorsally and ventrally.
      • The dorsal ligament groove is overlain dorsally and flanked laterally by the nacreous middle shell layer.
      • Adult plumage is blue-black or gray dorsally and white ventrally, sometimes with distinctive coloring or plumes on the head.
      • During the surgery, care must be taken to protect the branches of the superficial and radial nerves that dorsally overlie the first dorsal compartment.

Origin

Late Middle English: from late Latin dorsalis, from Latin dorsum 'back'.

Rhymes

morsel

Definition of dorsal in US English:

dorsal

adjectiveˈdɔrsəlˈdôrsəl
Anatomy Botany Zoology
  • Of, on, or relating to the upper side or back of an animal, plant, or organ.

    〔剖,动,植〕(动植物或器官的)上部的;背部的

    a dorsal view of the body

    对身体背部的查看。

    Compare with ventral
    the dorsal aorta

    背部主动脉。比较VENTRAL。

    Example sentencesExamples
    • Such a wasp held the fly with the middle and hind legs head forward and ventral or dorsal side up.
    • The waves continue coupled to a series of dorsal and ventral flexions of the whole body.
    • At approximately the seventh week of gestation, the ventral and dorsal buds fuse.
    • If either of these proteins is absent, then the motor axons select dorsal and ventral pathways randomly.
    • Just outside each vertebra, the dorsal and ventral roots unite to form a spinal nerve on each side.
    Synonyms
    rear, hind, back, hinder, rearward

Origin

Late Middle English: from late Latin dorsalis, from Latin dorsum ‘back’.

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