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sporangium是什么意思

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sporangium 是什么意思

名词复数:sporangia   

中文翻译与英英解释

n.
(pl. -gia ) 【生物学】孢子囊;(苔藓植物的)孢蒴。
organ containing or producing spores
同义词:spore case, spore sac,

例句与用法

1.Each dot is called a sorus and consists of many sporangia mounted on stalks .
每个圆点称为一个囊群,由许多长在柄上的孢子囊组成。

2.The spores are liberated by rupture of the sporangium wall
当孢子囊壁破裂时可以将其内的孢子释放出来。

3.Zoosporangium ( pl . zoosporangia ) a sporangium that produces zoospores
游动孢子囊:产生游动孢子的孢子囊。

4.Stomium ( pl . stomia ) the site at which a sporangium or pollen sac ruptures to release the spores or pollen
裂口:孢子囊或花粉囊的开裂位置,小孢子或花粉粒从中散出。

5.Indusium the flap of tissue , derived from the placenta , that encloses the developing sporangia in the sorus of a fern
囊群盖:是一种起源于胎座(应为叶表皮译者注)的瓣片状组织,覆盖在蕨类植物孢子囊群中正在发育的孢子囊上。

6.Leaves tufted ; stipes 15 - 30 cm long , densely scaly at base , glabrous above ; sterile lamina about 60 cm long and 20 cm wide , simply pinnate ; pinnae numerous , alternate or subopposite , linear - lanceolate , the largest about 12 cm long and 1 cm wide , base cordate , apex acuminate , margin finely toothed ; veins close , forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones , but somewhat reduced , about 8 cm long and 0 . 4 cm wide , lower surface almost entirely covered with sporangia
叶簇生;叶柄长15 - 30厘米,基部密被鳞片,向上近光滑;不育叶片长约60厘米,宽20厘米,一回羽状;羽片多数,互生或近对生,线状披针形,最长者长达12厘米,宽约1厘米,顶端长渐尖,基部心形,边缘有细密锯齿;叶脉1 - 2次分叉,近中脉形成网眼;能育叶与不育叶相似,但较小,长约8厘米,宽约0 . 4厘米,下部满布孢子囊。

 
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