primordium

名词 n.
中文释义

英文释义

名词 n.
  1. An aggregation of cells that is the first stage in the development of an organ.
    — In tomato, for example, the first sepal primordium is formed as an outgrowth at the periphery of the apex and the subsequent sepal primordia are initiated in a helical fashion at an angle of approximately 137° from the previous one.
  2. A primordial, original condition or event.
    — It is thus vain to hope that the history of the primordia can be reduced to the progress of archeological investigation.

词形变化

primordia plural

词汇关系

相关词
exord exordium primordial

词源

Etymology tree
Latin prīmōrdiumbor.
English primordium
Borrowed from Latin prīmōrdium.
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