孢子形成 的英文怎麼說
中文拼音 [bāozixíngchéng]
孢子形成
英文
orogeny-
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
葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,線狀披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸齒;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。The formation of microspore in allium fistulosum l
小孢子的形成The result shows that the life cycle of all the species comprises a unicellular amoeboid or swarm cell stage, a multinucleate plasmodium stage and a sporulation stage
結果表明,生活循環均包括單核的黏變形體或游動胞、多核的營養體原質團以及形成孢子階段。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。The vertical and horizontal slides of stramata of cordyceps sinensis ( berk ) sacc were observed and photographed on optical microscope. the shape of perithecia and ascospore of cordyceps sinensis ( berk ) sacc in qinghai province, the number of ascus contained in each perithecia, the number, length, width, the horizontal partition number and the distance among the partitions of ascospore in each ascus were measured and described
把冬蟲夏草子座製成縱、橫切片,用光學顯微鏡觀察並拍照,對青海冬蟲夏草子囊殼及子囊孢子的形態、每一子囊殼中所含子囊、每一子囊所含子囊孢子的數目、長度、寬度、橫隔隔數和隔距進行了測量與描述。As a result, dyad spores formed.
結果形成二分體孢子。The megasporogenesis and microsporogenesis of phytolacca acinosa roxb. and formation of its male and female gametophytes
商陸大小孢子的發生和雌雄配子體的形成Sori hemispheroid, in 2 - 3 series on each side along the costules, without indusium
孢子囊群圓形,沿中脈兩側各排成2 - 3行,無囊群蓋。Formerly, the bryophyta also included the liverworts and hornworts, which in the five kingdoms classification are now placed in separate phyla ( hepatophyta and anthocerophyta )
孢子萌發產生一個絲狀的單倍體,將來可以發育為芽體,進而形成整個植株。In dandelion ( taraxacum ), for example, the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division, forming a restitution nucleus
例如在蒲公英中,在第一次減數分裂后,大孢子母細胞的染色體仍在一個細胞中,形成一個再組核。Protonema ( pl. protonemata ) the young bryophyte gametophyte that develops following spore germination. the mature gametophyte plants develop from buds that form at several points along the protonema
原絲體:苔蘚植物中直接由孢子萌發形成的結構稱為原絲體。原絲體上形成1個或幾個芽體,芽體進一步發育為配子體。Strobilus ( pl. strobili ) a group of sporophylls ( spore - bearing leaves ) arranged around a central axis, found in gymnosperms, lycophyta ( clubmosses ), and sphenophyta ( horsetails )
球果:孢子葉向中軸聚攏形成的結構,存在於裸子植物門植物、石松亞門植物(石松)和木賊綱植物中(楔葉類) 。The gametes fuse to form a zygote, which develops into the sporophyte, and the spores germinate and produce the gametophyte, so forming a cycle
配子融合產生合子,進而發育為孢子體,孢子萌發產生配子體,形成一個循環。Exoscopic describing the type of development of a plant embryo in which the apex of the sporophyte develops from the outer cell formed by the first division of the zygote, the inner cell giving rise to the foot
外向的:指一種植物胚胎的發育類型,其孢子體的頂端由受精卵的第一次分裂的外層細胞發育而來,內層細胞形成根。Hofmeister aso showed that the gametophytes and sporophytes of seed - bearing plants were homologous with those of ferns and mosses and that the gymnosperms formed a plant group between the latter and the angiosperms
他認為種子植物的孢子體和配子體與蕨類以及苔蘚類是同源的,還指出裸子植物形成了一個單獨的組群,它是位於蕨類植物與被子植物之間的一個植物類群。Strains of rhizopus stolonifer ( ehrenb. : fr. ) vuill. isolated from taiwan were crossed to produce zygospores in the laboratory condition
摘要由本省分離之匍枝根?在實驗室中經交配有接合孢子形成。This is the first time that the sequential change of zygosporogenesis of rh. stolonifer is described under sem
這是匍枝根霉之接合孢子形成過程第一次在掃描式電子顯微鏡下被描述。Calcium precipitates decreased sharply and might dissolve in the large vacuole
當小孢子形成大液泡時,其細胞質中的鈣顆粒明顯減少。Also the ci represser was expressed, presumably from its own phage promoter and prevented transcription from pr at low temperature. moreover, s. lividans strains expressing the c. 100 kda pks were different in sporulation and antibiotic production compared to strains without the 2. 7 kb pks gene, suggesting that the pks protein was active in an unknown manner in streptomyces
表達pks的變鉛青鏈黴菌菌株在孢子形成和抗生素產生方面與沒有2 . 7kbpks基因的菌株相比較是有區別的,因而推測在鏈黴菌中表達的雙功能結構域pks蛋白具有活性。L were studied. during the meiotic process of megasporocyte, the ribosome population diminished greatly in prophase i and restored in metaphase i ; plastids and mitochondria turned unclear dedifferentiation in prophase i and recovered their normal structures redifferentiation in metaphase i. all these proved that cytoplasmic reorganization took place during the megasporogenesis of
發現了小麥大孢子母細胞減數分裂過程中,核糖體密度在前期顯著降低,到中期才完全恢復質體和線粒體也出現了脫分化和再分化。從而證明了小麥的大孢子形成過程中也存在著細胞質改組現象。分享友人