花粉孢子 的英文怎麼說
中文拼音 [huāfěnbāozi]
花粉孢子
英文
pollen spore- 花 : Ⅰ名詞1 (種子植物的有性繁殖器官) flower; blossom; bloom 2 (可供觀賞的植物) flower 3 (形狀像花...
- 粉 : Ⅰ名詞1 (粉末) powder 2 (用澱粉製成的粉條或粉絲) noodles or vermicelli made from bean potato o...
- 孢 : 名詞[植物學] (孢子) spore
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 花粉 : [植物學] pollen花粉孢子 pollen spore; 花粉病 pollinosis; pollenosis; hay fever; 花粉蓋 stopples; ...
- 孢子 : spore (脫離親本后能直接或間接發育成新個體的單細胞或少數細胞的繁殖體)
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3. the development of the anther wall follows the basic type. cytokinesis in the microspore mother cell is of the successive type. the arrangement of microspore in tetrad is tetrahedral. mature pollen grain is of 2 - celled type. the anther has 4 four rooms, accidentally seen six or seven rooms
花藥壁的發育為基本型,小孢子減數分裂為連續型,小孢子四分體為四面體型,成熟花粉為二細胞型。花藥多為四室,偶見六室和七室。 4Stomium ( pl. stomia ) the site at which a sporangium or pollen sac ruptures to release the spores or pollen
裂口:孢子囊或花粉囊的開裂位置,小孢子或花粉粒從中散出。Tapetum ( pl. tapeta ) a food - rich layer surrounding the spore mother cells in the anthers of vascular plants
絨氈層:維管植物花粉囊內包圍孢子母細胞的富含營養物質的一層結構。What is more, some of the pollen grains and spores i found in the clays and lignites came from conifers and tree ferns that could have grown only at the high altitudes of a mountain range
而且我在黏土及褐煤中發現的花粉粒與孢子,屬于針葉樹及樹蕨,它們只生長在高海拔的山區。Molecular studies have identified some genes participating in this process, including those regulating anther cell division and differentiation, controlling male meiosis, supporting pollen development, and promoting anther dehiscence
分子生物學的研究已經發現了一些參與這一過程的基因,包括控制花粉囊組織的分化、小孢子母細胞的減數分裂、小孢子的發育和花藥的開裂等。In the thesis, the systematic relationships of acorus together with araceae and typhales are discussed on the basis of features from micromorphology, anatomy, pollen morphology and floral development, with the aid of the data from their embryology, cytology, chemotaxonomy and molecular biology. firstly, it is found that there are many obvious differences between acorus and araceae
本文用形態學、解剖學、孢粉學及花器官發生等方法,並藉助胚胎學、細胞學、植物化學及分子生物學等方面的資料,比較研究了菖蒲屬( acorus )與天南星科( araceae )及香蒲目( typhales )的系統關系。The hard coats of spores and pollen grains are preserved better, forming microfossils
孢子和花粉粒的堅硬外殼被完好保留下來形成微化石。The maximum microstrobil per short shoot is 6. 45, the maximum anther per microstrobil is 58, the maximum pollen grain per anther is 23000
每個短枝上小孢子葉球數最高達6 . 45個,每個小孢子葉球最多含花藥58個,每個花藥含有花粉粒最高達2 . 3 104個,平均每個小孢子葉球含花粉粒達65 104個。Within the rice anther, meiosis of the pollen mother cell produces microspores, which further develop into pollen grains
摘要水稻的小孢子母細胞在花粉囊中進行減數分裂產生小孢子,小孢子進一步發育成花粉粒。In sporophytically self - incompatible brassica, three s - linked genes, the pollen ligand scr, stigma receptor slg and srk, have been identified. in addition, four genes ( arc1, thl1, thl2 and mod ) that do not link to s locus have also been found, they are regarded as downstream protein factors of self - incompatibility ( si ) response, however, their biological function is not clear
在孢子體型自交不親和的蕓薹屬中,已經鑒定出3個主要與s位點緊密連鎖的基因,花粉中的配體scr和柱頭中的受體slg與srk :另外鑒定出4個不與s位點連鎖的基因arc1 、 thl1 、 thl2和mod ,它們被認為是si反應的下游蛋白質因子,但是對它們的生物學功能了解的還比較少。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。Based on the investigations of 46 species of fossil spores and pollen belonging to 28 genera which were found from the yongping formation and wayaopu formation of upper triassic in tongchuan region of shaanxi province, the early to late late triassic palynoflora in the region was established
摘要本文基於陜西銅川地區上三疊統水坪組和瓦窯堡組發現的孢子花粉化石28屬46種的研究,建立了研究區晚三疊世早期至晚期孢粉植物群。When microspore mother cell ( mmc ) preparing meiosis, calcium precipitates appeared in the cytoplasm of tapetal cells and callus wall surrounding mmc
當花粉母細胞進行減數分裂時,花藥中的鈣顆粒進一步增加,尤其是在小孢子母細胞的胼胝質壁中。Pollen analysis a means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains, spores, and similar structures in peat and sedimentary deposits
花粉分析:指通過檢測花粉化石、孢子以及在泥炭和沉積物中類似的結構,以獲得歷史上曾有過的植物區系、組分以及分佈范圍與環境信息的方法。Screening of a potato genomic library with a full - length sb401 cdna resulted in the isolation of six positive clones. one of clones, designated 901, was further characterized
對花粉發育過程中特異表達基因的研究,科學家們希望從分子水平上闡明小孢子發育的本質。分享友人