| 单词 |
pædomorphosis |
| 释义 |
pædomorphosis Biol.|piːdəʊˈmɔːfəsɪs, -mɔːˈfəʊsɪs|
[f. pædo- + morphosis.]
Phylogenetic change indicated by the retention of juvenile characteristics in the adult form.
1922W. Garstang in Jrnl. Linnean Soc. (Zool.) XXXV. 100 In other articles I propose to deal with the origin and significance of larval forms, and to draw attention to some further examples of the influence of larval characters upon adult organisation, to which I apply the term ‘Pædomorphosis’. 1932J. S. Huxley Probl. Relative Growth vii. 240 (caption) Diagram to illustrate positive and negative mutations in rate-factors, leading to recapitulation and paedomorphosis, respectively. 1965B. E. Freeman tr. Vandel's Biospeleol. ix. 134 Partial neoteny, a phenomenon to which Garstang's term paedomorphosis may be more exactly applied. 1970Times Lit. Suppl. 4 June 619/4 The most serious lacuna in the book is the absence of any mention of the part which the well-known principle of retardation of development, or paedomorphosis, has played in the evolution of man. 1971[see neoteny]. 1974G. L. Stebbins Flowering Plants xi. 249/2 The evolutionary mechanism by which this [sc. the evolution of herbs and subshrubs into shrubs or trees] could happen involves the principle of paedomorphosis. |
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