exine
n. 外膜；外壁
例句
用作名词(n.)
- 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。
- 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。