外孢壁 的英文怎麼說

中文拼音 [wàibāobì]
外孢壁 英文
sclerine
  • 外 : Ⅰ名詞1 （外面） outside; external side 2 （外國） foreign country 3 （以外） besides; beyond; in ...
  • 孢 : 名詞[植物學] （孢子） spore
  • 壁 : 名詞1 （墻） wall （of a house etc ） : 銅墻鐵壁 bastion of iron2 （作用像圍墻的部分） wall of st...
  1. In the 25 species examined, the epidermal cells fall into four types in terms of their shape and the pattern of the anticlinal wal ls. these types correlate to some extent with features of gross morphology, palynology and plant geography of the ten genera studied. features of cuticular membrane can be used to differentiate clearly the two genera physochlaina and hyoscyamus, and some species within them

    顛茄葉表皮細胞形狀和垂周壁式樣在一些屬和種中有一定的規律性，並與外部形態、孢粉學性狀或地理分佈相關；葉片表面角質膜的特徵對屬和種的劃分也有一定意義。
  2. During the late microspore stage, a big vacuole formed and the nucleus was forced to move to peripheral region

    當小孢子被釋放出后，鈣顆粒開始特異性積累在正在形成的花粉外壁中，尤其在萌發孔的部位聚集了大量的鈣顆粒。
  3. The result shows that there are some differences among 7 species on the proximal face, the exine ornamention and shape

    觀察結果顯示：孢子近極薄壁區的有無、形狀及外壁紋飾的細微結構等方面，在屬間和種間存在一定的差異。
  4. Abstract : the pollen morphology of 5 species of corydalis from northeast china was observed and compared by sem. the results declared the shape and size of the pollen and exine sculpture of the 5 species were basically stable and could serve as a taxonomic character

    文摘:用掃描電鏡對東北延胡索極其近緣植物的花粉形態進行了觀察，結果發現花粉粒在形狀、大小、外壁紋飾、溝的長短及寬度等方面均有區別，從中獲得了東北延胡索及其近緣植物分類方面的孢粉學依據.因此花粉的特徵可用於區別延胡索類植物
  5. Pollen grains are highly variable in size and shape ranging from 5 to over 200 in diameter and from circular to tetrahedral or dumbbell shaped

    花粉粒的壁由兩層構成，外壁為孢粉素壁，具有很強的抵抗力，其上有特徵性雕紋或孔紋。
  6. The walls of some fungal spores contain the pigment melanin, which protects against the damaging effects of ultraviolet radiation

    一些真菌孢子的細胞壁含有黑色素，可以保護真菌避免受到紫外輻射的傷害。
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