詞語：extine
extine的解釋
extine['ekstin, -tain]n. [植]花粉粒外壁；孢子外壁
extine的意思
extine 花粉外壁;芽胞外膜;外膜;外壁;
extine的參考例句
1.The result shows that there are some differences among 7 species on the proximal face, the extine ornamentation and shape. 與此同時，這7種珠蘚科植物的孢子在大小、外壁厚度等方面表現出較大的相似性。
2.The results proposed that the abnormalities of microsporocyte cytoplasm or pollen extine, rather than the tapetal development caused the pollen abortion of Peiai 64S. 據此認為，培矮64S的花粉敗育可能是由小孢子母細胞或花粉外壁的異常發育造成的，而不是由絨氈層發育引起的。
3.The study indicates the ornamentation of extine can appreciate wild tobacco and non-wild tobacco. The method is useful for taxonomic and evolutionary study of tobacco. 野生煙在供試種中具有獨特的細網狀外壁紋飾，是鑒別野生煙與非野生煙的一條有效途徑。