grana

Japanese: grana
grana

… The envelope consists of two membranes, the inner membrane and the outer membrane, each of which has selective permeability to ions and various substances (Figure 2). Thylakoids are flattened sacs that, in mature chloroplasts, are oriented parallel to the long axis of the chloroplast, and the thylakoids are folded or small thylakoids that are stacked like coins (grana or grana stack) are sandwiched between larger thylakoids (Figure 3). The thylakoids that make up the grana are called grana thylakoids, and the thylakoids that connect them are called stromal thylakoids or intergranal thylakoids. …

*Some of the terminology that mentions "grana" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… 包膜は内膜,外膜の2枚の膜から成り,それぞれイオンや種々の物質に対して選択的透過性をもっている(図2)。 チラコイドは扁平な袋で,成熟した葉緑体では葉緑体の長軸に平行に配向し,チラコイドが折りたたまれ,あるいは小型のチラコイドがコインを積み重ねたような状態になったもの(グラナgranaまたはグラナスタックgrana stack)が,大きなチラコイドの間にはさまっている(図3)。グラナを構成するチラコイドをグラナチラコイド,これをつないでいるチラコイドをストロマチラコイドまたはグラナ間チラコイドという。…

※「grana」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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