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单词 cupule
释义

cupule

/ˈkjuːpjuːl /
noun Botany & Zoology
A cup-shaped organ, structure, or receptacle in a plant or animal.The ovule is surrounded by integument tissues which produce the seed coat, and in the earliest seed plants another layer called the cupule enclosed the entire ovule/seed....
  • Thus, the cupule is a simple uniaxial structure.
  • Lyginopterids bore cupules, which can be described as tulip shaped structures.

Origin

Late Middle English: from late Latin cupula (see cupola).

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更新时间:2025/3/23 5:31:43