…Companion cells are arranged parallel to the sieve tube, and are thought to be cells with nuclei that are closely related to the function of the sieve tube. Ferns and gymnosperms have sieve cells instead of sieve tubes. [Masahiro Kato]. … *Some of the terminology that mentions "sieve cell" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…師管に平行して伴細胞がならんでいるが,これは核をもった細胞で,師管のはたらきに密接に関連していると考えられている。シダ植物や裸子植物には師管のかわりに師細胞sieve cellがある。【加藤 雅啓】。… ※「sieve cell」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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