小孢子囊 的英文怎麼說
中文拼音 [xiǎobāozináng]
小孢子囊
英文
micro orangium- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 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...
- 囊 : 囊名詞1. (口袋) bag; pocket; sack; purse 2. (像口袋的東西) anything shaped like a bag 1. (姓氏) a surname
- 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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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。Ascomycete car les spores sont enferm s dans des sacs ( asques ) et hypog e car souterraine
它之所以歸屬於此類是因為它生長在地下並且它的孢子(種子)藏在囊(小袋子)中的緣故。The anther possesses four microsparangia with its wall composed of four layers : epidermis, endothecium, middle layers and a 2 - nucleate celled tapetum. most of the antheral tapetum are in situ
單穗升麻的花藥具4個小孢子囊藥室,囊壁花藥壁由表皮藥室內壁中層和絨氈層組成。Sori 1 - 5 pairs borne on the lower surface of ultimate lobes at the end of basal veins ; indusium dehiscent in two equal halves when mature
孢子囊群1 - 5對,生於末回裂片下面近基部小脈頂端;囊群蓋成熟時對開2裂。Stomium ( pl. stomia ) the site at which a sporangium or pollen sac ruptures to release the spores or pollen
裂口:孢子囊或花粉囊的開裂位置,小孢子或花粉粒從中散出。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。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。分享友人