External branching

Japanese: 外生分枝 - がいせいぶんし
External branching

…the apical meristem of a stem is derived from the cells that comprise the surface of the stem. Branches formed in this way are called exogenous branching. In contrast, the apical meristem of a lateral root usually originates from cells within the root, and thus the lateral root breaks through the outer tissue of the root. …

*Some of the terminology explanations that mention "exogenous branching" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…茎の頂端分裂組織は茎の表面を含む細胞に由来する。このようにしてできた分枝は外生分枝exogenous branchingと呼ばれる。それに対して,ふつう根では側根の頂端分裂組織は根の内部の細胞からつくられ,したがって側根は根の外側の組織をつき破って出てくる。…

※「外生分枝」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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