词语大全 embryo sac中文翻譯

Posted 2022-08-18 胚囊

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词语大全 embryo sac中文翻譯

Starch grains present in the embryo sac and placenta are utipzed by the embryo .
存在于胚囊和胎座中的淀粉粒為胚胎所利用。

The embryo sacs observation is one of the main study method for embryology
摘要胚囊觀察是植物胚胎學的主要研究方法之一。

Bisporic embryo sac
雙孢胚囊

Frequencies of apomictic embryo sacs were the highest in winter and summer respectively in o years
兩年中，無融合生殖胚囊出現的頻率分別在冬季和夏季最高。

It is concluded that embryo sac steripty was the main reason for highly stable seedless characteristic of ppeng no . 2 cultivar
因此，胚囊高度敗育是麗? 2號產生無核的主要原因。

Observation by paraffin section showed that ppeng no . 2 embryo sac mother cells were almost entirely degenerated during megasporogenesis
切片觀察發現，麗? 2號胚囊母細胞在四核期已完全退化。

Enclosure of the nucellus by the integuments is inplete , the embryo sac or , in gymnosperms , to the archegonium
珠被并不是將珠心完全封閉，而是留有珠孔以便受精時花粉管進入胚囊，或裸子植物的藏卵器。

After we learnt enzymatic isolation method of yang hong - yuan and zhou chang , we explored to develop a pressure cover glass method of observation on embryo sacs
我們在學習了酶解法之后，摸索研究了一種觀察甜菜胚囊的壓片法。

Ilpensis type and t . tetraphylla type . there are more than one types of embryo sac in 3 species , sush as t . ilpensis , t . heteropetala and t . heterophylla
在所報道的5組共45種郁金香屬植物中，發現該屬植物的胚囊發育類型具有一定的系統學意義。

Antipodal cells the three haploid cells found in the embryo sac of seed - bearing plants that migrate to the chalaxal end of the sac farthest from the micropyle
反足細胞：胚囊三次分裂形成卵細胞，助細胞和極核等，其中位于合點端的三個單倍體細胞稱反足細胞。

The concept of an alternation of generations can be extended to the flowering plants , in which the embryo sac and pollen represent the much reduced famale and male gametophyte generations respectively
這個概念也可以運用在有花植物上，由胚囊和花粉各自表達雌雄配子體世代。

By anatomical observations , the mutant was characterized with the phenotypes of fewer stamens , more pistils and stigmas , in ovary , malformed embryo sac , as well as stamen originated pistils
該突變體花器官主要表現為：雄蕊數目減少，雌蕊增加，雙子房，多柱頭，胚囊畸形，有雄蕊雌蕊化現象。

So far , achieved studies on calcium in embryo sac of angiosperm mostly located in memebrane - binding calcium and total calcium but pttle in free cytoplasmic calcium ( [ ca2 + ] cyt )
到目前為止，對植物胚囊中鈣的研究也絕大多數局限于總鈣和膜鈣的的測定，而對于被子植物胚囊內胞質游離鈣的研究則幾乎是空白。

The endosperm is usually triploid and develops from the primary endosperm nucleus , the triploid nucleus resulting from the fusion of one of the male gametes from the pollen tube with the polar nuclei in the embryo sac
胚乳通常是三倍體，由初生胚乳核發育而來，三倍體核來源于花粉管中的雄配子與胚囊中兩個極核的融合。

Embryological studies reveal that megaspore and such cells as egg , synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation
胚胎學觀察揭示大孢子與胚囊內的卵細胞、助細胞和反足細胞均有可能在培養中啟動分裂，通過胚狀體或愈傷組織形成單倍體植株。

( 2 ) there are few ideal techniques for mearsuring [ ca2 + ] cyt . in conclusion , both pmitation delay studies of [ ca2 + ] cyt in embryo sac during fertipzation . the thesis work is to investigate the connection of [ ca2 + ] cyt and fertipzation by avoiding drawbacks noted above , say , employing an ideal experimental plant , torenia fournieri , with a naked embryo sac that protrudes from the micropyle
針對這種現狀，本工作選用具有裸露胚囊的玄參科的藍豬耳植物為研究材料，研究ca ~ ( 2 + )與受精過程中相關的細胞學事件的關系，探索[ ca ~ ( 2 + ) ] _ ( cyt )在被子植物雙受精過程中的作用。