英语词汇“plasmodesma”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	plasmodesma
释义	plasmodesma enUK plas·mo·des·ma P0355200 (plăz′mə-dĕz′mə) also plas·mo·desm (plăz′mə-dĕz′əm)n. pl. plas·mo·des·ma·ta (-mə-tə) or plas·mo·des·mas also plas·mo·desms A strand of cytoplasm that passes through openings in cell walls and connects the protoplasts of adjacent living plant cells. [plasmo- + Greek desma, bond (from dein, to bind).] plasmodesma (ˌplæzməˈdɛzmə) or plasmodesm n, pl -desmata (-ˈdɛzmətə) or -desms (Botany) botany any of various very fine cytoplasmic threads connecting the cytoplasm of adjacent cells via minute holes in the cell walls[C20: from plasmo- + Greek desma bond] plas•mo•des•ma (ˌplæz məˈdɛs mə) n., pl. -ma•ta (-mə tə) any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells. [< German (1901) < Greek plasmo- plasmo- + désma bond, fetter] Plasmodesma enUK plasmodesma [‚plaz·mə′dez·mə] (cell and molecular biology) An intercellular bridge, thought to be strands of cytoplasm connecting two cells. Plasmodesma a cytoplasmic thread that connects adjoining plant cells. Protoplasts are connected by plasmodesmata. The number of plasmodesmata, which have a diameter from 180 to 680 Å (most often 300 to 400 Å), varies from cell to cell. They are distributed in the tiny canals that pass through the primary cell membrane on the primary pit fields. In cells with a secondary membrane they are found only in the pit membranes. The cavities of the tiny canals are lined with the external membrane of plasmodesmata—the plasma membrane. Plasmodesmata ensure transmission of stimuli and movement of matter from cell to cell. plasmodesma enUK plasmodesma (plăz′mə-dĕz′mə) also plasmodesm (plăz′mə-dĕz′əm)n. pl. plasmodes·mata (-mə-tə) or plasmodes·mas also plasmo·desms A strand of cytoplasm that passes through openings in cell walls and connects the protoplasts of adjacent living plant cells. plasmodesmata (plăz″mō-dĕz′mă-tă) plasmodesma [″ + Gr. desmos, bond] Tunnels in plant cell walls. These facilitate communication between cells.
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更新时间：2024/12/24 2:57:22