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单词 morphallaxis
释义

Definition of morphallaxis in English:

morphallaxis

noun ˌmɔːfəˈlaksɪsˌmôrfəˈlaksəs
mass nounZoology
  • Regeneration by the transformation of existing body tissues.

    Example sentencesExamples
    • The result of morphallaxis is usually a smaller but complete individual, derived entirely from the tissues of part of the original animal.
    • Recently we have begun investigations of synaptic molecules up-regulated specifically during morphallaxis.
    • If the body of an intact Hydra is severed in two, it regenerates by morphallaxis, which does not require new growth.
    • He coined the terms morphallaxis and epimorphosis to describe the two major types of regeneration.

Derivatives

  • morphallactic

  • adjective
    Zoology
    • In Hydra, regeneration is morphallactic since cell division is unnecessary and a complete Hydra can be regenerated from a piece of the body column.
      Example sentencesExamples
      • Thus, the first key step in this morphallactic regeneration, when the head region is removed, is the specification of a new head region at the cut surface.
      • Following this, morphallactic regeneration occurs within the body segments adjacent to the new head.

Origin

Late 19th century: from Greek morphē 'form' + allaxis 'exchange'.

 
 

Definition of morphallaxis in US English:

morphallaxis

nounˌmôrfəˈlaksəs
Zoology
  • Regeneration by the transformation of existing body tissues.

    Example sentencesExamples
    • Recently we have begun investigations of synaptic molecules up-regulated specifically during morphallaxis.
    • If the body of an intact Hydra is severed in two, it regenerates by morphallaxis, which does not require new growth.
    • The result of morphallaxis is usually a smaller but complete individual, derived entirely from the tissues of part of the original animal.
    • He coined the terms morphallaxis and epimorphosis to describe the two major types of regeneration.

Origin

Late 19th century: from Greek morphē ‘form’ + allaxis ‘exchange’.

 
 
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更新时间:2025/1/3 16:08:09