The term implies organs unrelated to sexual reproduction, and is used in plants in general terms for leaves, stems, and roots, excluding flowers. In other words, "nutrition" here has a broader meaning than nutrients or nutrient intake, and refers to nutrition in the context of vegetative reproduction. The organs used for nutrient intake in animals are usually called digestive organs or the digestive system, and are not called nutrient organs. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
有性生殖とは無関係の器官という含みの用語であって,ことに植物で,花を除いて,葉,茎,根の総称として用いる。すなわちここでの「栄養」は,栄養素あるいは栄養摂取ということよりは意味が広くて,栄養生殖という場合の栄養である。動物の栄養摂取のための器官は,消化器官あるいは消化器系といわれるのが普通で,栄養器官とはいわない。
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