exine

 
['eksi?n]     ['ek?sa?n]    
  • n. 外膜;外壁

exine的用法和樣例:

例句

用作名詞 (n.)
  1. The ornamentation of exine is reticulate, reticulate-microperforate or microperforate.
    外壁紋飾網(wǎng)狀,某些種尚具或為細小的穿孔。
  2. When the pollen grains were continuously rehydrated in vitro, the exine and intine will separate from the protoplasm, respectively.
    將成熟花粉水合后,其細胞質(zhì)膨脹,擠壓花粉壁使其外壁與內壁,接續與細胞質(zhì)分離。
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