preformation什么意思 preformation音标、翻译、用法
preformation音标
英 [ˌpri:fɔ:'meɪʃən]
美 [ˌprifɔ'meɪʃən]
preformation翻译
n.
预先形成；
英英释义
preformation[ ,pri:fɔ:'meiʃən ]
n.a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
同义词：theory of preformation
preformation用法
权威例句
Preformation
Cluster preformation as barrier penetrability
Organ preformation in mayapple as a mechanism for historical effects on demography.
$\alpha$ particle preformation in heavy nuclei and penetration probability
Preformation or Epigenesis?. (Book Reviews: Oogenesis. The storage of developmental information)
Extreme preformation in alpine Polygonum viviparum: an architectural and developmental analysis.
Mechanisms of metazoan germ cell specification: epigenesis and preformation
Mechanisms of germ cell specification across the metazoans: epigenesis and preformation.
Theories in early embryology: close connections between epigenesis, preformationism, and self-organization
Crown architecture of Larix laricina saplings: shoot preformation and neoformation and their relationships to shoot vigour