pith cell 中文意思是什麼

pith cell 解釋
髓細胞
  • pith : n. 1. 【植物;植物學】木髓,樹心;【解剖學】髓,骨髓。2. 體力,力氣;精力,精神;(文章的)力。3. 精髓,要義,要點;重要。vt. 1. 除去(莖中的)木髓。2. 割去脊髓弄死(牛等)。
  • cell : n 1 小室,單室;隔間,艙;〈詩〉茅舍;(單個的)蜂窩,蜂房。2 〈詩〉墓穴,墓。3 (大修道院附屬的...
  1. The stems and rhizomes were observed to differ in cortex - cell layer, perivascular fiber - ring presence, vascular cylinder and pith proportions, vascular bundle number and secondary growth and these differences were associated with their own physiological functions

    地上莖和根狀莖之間在皮層細胞層數、周維纖維柱的有無、維管柱和髓所佔比例、維管束束數、次生生長等方面存在差異,這些差異與它們各自擔負的生理功能相關聯。
  2. In addition, the pith of root and stem is flourishing for prosperous growth period and declining period, the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith, unusual structure eg. epidermis and vice - epidermis, bubble form cell, short pipe numerators and wreath grid types leaf etc. in each organ of pugionium comutum ( l. ) gaertn. had been formed to adapt to dry environment, so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn. has closely of relation with its anti - drought and its adapting to desert environment

    此外,葉片旺盛生長期、衰退期根莖具發達的髓,髓內有異常次生生長形成的維管組織,貯藏養分,為沙芥次年形成二年生植株提供營養,沙芥各器官在解剖結構方面都形成了特化結構如具表皮及副表皮、泡狀細胞、短的導管分子及環柵型葉等以適應乾旱的環境,因此沙芥各器官的形態及解剖特點與其抗旱、適應沙漠環境有密切的關系。
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