exine

英 ['eksiːn] 美 ['ekˌsaɪn]

• n. 外膜；外壁

exine的用法和样例：

例句

用作名词 (n.)

1. The ornamentation of exine is reticulate, reticulate-microperforate or microperforate.
   外壁纹饰网状，某些种尚具或为细小的穿孔。
2. When the pollen grains were continuously rehydrated in vitro, the exine and intine will separate from the protoplasm, respectively.
   将成熟花粉水合后，其细胞质膨胀，挤压花粉壁使其外壁与内壁，接续与细胞质分离。