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preformation

/ˌpriː.fɔːˈmeɪ.ʃən/

翻译: 一种已被否定的十八世纪生物学理论,认为生物体在生殖细胞中已存在一个完全成形但微小的个体(即微型人/何蒙库鲁斯),其后的发育只是体积增大。

1 个条目

noun

C2formalcommonscientific已废弃/ˌpriː.fɔːˈmeɪ.ʃən/

不可数

A discredited 18th-century biological theory that an organism develops from a miniature, fully-formed version of itself (a homunculus) present in the germ cell.

  • 🇨🇳一种已被否定的十八世纪生物学理论,认为生物体在生殖细胞中已存在一个完全成形但微小的个体(即微型人/何蒙库鲁斯),其后的发育只是体积增大。
  1. Discredited biological theory C2 formal scientific

    An 18th-century theory, now rejected, which held that an organism develops from a miniature, fully-formed version of itself (a homunculus) present in the germ cell.

    • Preformation was a popular theory among biologists in the 1700s.
    • The idea of a homunculus is central to the theory of preformation.
    • Modern genetics has completely disproven the concept of preformation.

    🇨🇳被否定的生物学理论

    反义词: epigenesis

  • preformations plural form
  • preformations' possessive plural form
  • preformation's possessive singular form