preformation
英：[ˌpri:fɔ:'meɪʃən] 美： [ˌprifɔ'meɪʃən]
preformation 基本解释
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 相关例句
权威例句
PreformationCluster preformation as barrier penetrabilityOrgan preformation in mayapple as a mechanism for historical effects on demography.$\alpha$ particle preformation in heavy nuclei and penetration probabilityPreformation 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 preformationMechanisms of germ cell specification across the metazoans: epigenesis and preformation.Theories in early embryology: close connections between epigenesis, preformationism, and self-organizationCrown architecture of Larix laricina saplings: shoot preformation and neoformation and their relationships to shoot vigour
