… In addition to the concept of organs from the perspective of physiological function, certain external parts of an animal's body may be considered as a single organ when their behavioral functions are considered. Examples of organs include the organs of movement, which are the limbs, fins, tails, and wings that are directly involved in locomotion, the organs of feeding, which are involved in taking in food, and the organs of copulation, which are used for mating. In this case, the organ refers to a combination of several organ systems, such as the skeletal system, muscular system, vascular system, and nervous system. … *Some of the terminology that mentions "locomotor organs" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 生理機能から見た器官の概念とは別に,行動上の機能に着目して動物体の外面的なある部分を全体として一つの器官とみなすことがある。場所移動(ロコモーション)に直接関与する四肢,ひれ,尾,羽などを総称した移動器官,食物の取り入れに関与する摂食器官,交尾に用いられる交尾器官などである。このような場合の器官は,骨格系,筋系,脈管系,神経系などいくつもの器官系の総合体を指していることになる。… ※「移動器官」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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