extine

extine

美 ['eksta?n] 　英 ['eksta?n]

• n.外壁
• 網絡花粉外壁；外膜

英漢解釋

n.

1. 外壁

例句

Synthesis of lipidic components in anthers, including of the pollen extine, is essential for plant male reproductive development.

花藥中脂質成分（包括花粉外壁）的合成對植物雄性生殖發育是必需的。

Except for some continuous changes, the morphology and extine sculpture of pollens from different populations were similar.

不同天然居群間花粉形態、外壁紋飾類似，但也具有一定的連續變化。

However, differences exist in pollen size, aperture, extine thickness and ornamentation.

但在花粉大小、萌發孔形狀、外壁厚度以及表面紋飾等方面存在差異。

with the extine ornamentation being finely reticulate or microperforate.

外壁具細網狀紋飾或具小穿孔。

The ornamentation of extine is reticulate, reticulate-microperforate or microperforate.

外壁紋飾網狀，某些種尚具或為細小的穿孔。

Pollen morphology and its extine ultrastructure of the Zygophyllaceae in China.

中國蒺藜科花粉形態及其外壁超微結構。

All these results indicate that MS1142 gene plays important roles in pollen development and extine pattern formation.

以上結果說明MS1142基因在小孢子的發育及花粉外壁形成過程中起重要作用。

pollen 3-nucleate, extine tectum finely striate.

花粉3核酸鹽，外壁覆蓋層細條紋。

But the spores of 6 species are similar in shape, extine thickness and size.

但六種孢子的形態、大小、外壁厚度等方面具有較大的相似性。

The pollen morphology and extine ultrastructure of Paeonia L. in China.

中國芍藥屬花粉形態及其外壁超微結構的觀察。

a ventilator is arranged at inner of the igniter, and the air outlet distributes on extine of the igniter and inner wall of the ventilator;

所述點火器內設通風口，出氣口均布在點火器的外壁與通風口的內壁上；