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词汇 ontogenesis
释义

Definition of ontogenesis in English:

ontogenesis

noun ˌɒntə(ʊ)ˈdʒɛnɪsɪsˌɑn(t)oʊˈdʒɛnəsəs
mass nounBiology
  • The development of an individual organism or anatomical or behavioural feature from the earliest stage to maturity.

    〔生〕个体发生,个体发育。比较PHYLOGENESIS

    Compare with phylogenesis
    Example sentencesExamples
    • Since this field of biogenesis is not available to us, we shall do as biologists do and turn to ontogenesis.
    • Some degree of variation seems attributable to ontogenesis, as large morphological distances are observed between young and adult specimens.
    • Ductal plate malformation results from persistence or absence of remodeling of the embryonic ductal plate during ontogenesis.
    • The concepts of penetrance and expressivity and also of the systemic regulation of the formation of phenotypic traits - the foundation of phenogenetics and the genetics of ontogenesis.
    • Shepard proposes that humans go through eight stages of ontogenesis in their first twenty years of life.

Derivatives

  • ontogenetic

  • adjective ˌɒntə(ʊ)dʒɪˈnɛtɪk
    Biology
    • Extant birds are the most appropriate models for understanding the ontogenetic and phylogenetic development of PSP in sauropods.
      Example sentencesExamples
      • Thus, there is no mechanism of ontogenetic developmental concrescence, just differentiation.
      • This phenomenon owes its existence to both phylogenetic and ontogenetic naturalistic processes.
      • During its ontogenetic growth, an organism would experience various developmental events.
      • The activational effects of sex-limited steroids buffer male and female phenotypes from ontogenetic conflict.
  • ontogenetically

  • adverb ˌɒntə(ʊ)dʒɪˈnɛtɪk(ə)li
    Biology
    • This is obvious but important, because if camerae can be derived from fossae ontogenetically then they can also be derived from fossae phylogenetically.
      Example sentencesExamples
      • In some species, males facultatively or ontogenetically switch between these tactics, and in other species the tactics appear to be fixed for an individual's lifetime.
      • Thus, the resultant planktonic cephalopods are probably trapped, either evolutionarily or ontogenetically.
      • Combined with their occasionally distinctive morphologies, it would appear that they represent structures ontogenetically and functionally distinct from the botuliform cells.
      • In the other clade characterized by a static level of disparity, Clade 5 the structure changes ontogenetically, although more subtly than in Clade 4.

Origin

Late 19th century: from Greek ōn, ont- 'being' + genesis 'birth'.

Definition of ontogenesis in US English:

ontogenesis

nounˌɑn(t)oʊˈdʒɛnəsəsˌän(t)ōˈjenəsəs
Biology
  • The development of an individual organism or anatomical or behavioral feature from the earliest stage to maturity.

    〔生〕个体发生,个体发育。比较PHYLOGENESIS

    Compare with phylogenesis
    Example sentencesExamples
    • Shepard proposes that humans go through eight stages of ontogenesis in their first twenty years of life.
    • The concepts of penetrance and expressivity and also of the systemic regulation of the formation of phenotypic traits - the foundation of phenogenetics and the genetics of ontogenesis.
    • Since this field of biogenesis is not available to us, we shall do as biologists do and turn to ontogenesis.
    • Ductal plate malformation results from persistence or absence of remodeling of the embryonic ductal plate during ontogenesis.
    • Some degree of variation seems attributable to ontogenesis, as large morphological distances are observed between young and adult specimens.

Origin

Late 19th century: from Greek ōn, ont- ‘being’ + genesis ‘birth’.

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