…also called trunk or trunk. The central part of an animal's body, excluding protruding parts such as the head, tail, appendages, and antennae. It is usually a large mass with an internal cavity that contains most of the internal organs. Among invertebrates, only arthropods have a identifiable trunk, but the structure of the trunk varies somewhat depending on the taxonomic group. In most groups, the trunk consists of a clearly segmented thorax and abdomen, but in spiders and crabs, the head and thorax are united to form the cephalothorax, and this and the abdomen correspond to the trunk. … *Some of the terminology explanations that mention "Ichino Copper" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…胴体,軀幹(くかん),体幹ともいう。頭,尾,付属肢,触角などの突出部を除く動物体の中心的な部分。普通は大きい塊をなし,内部に体腔をもち,そこにほとんどの内臓諸器官をおさめている。無脊椎動物では,胴といえる部分を識別できるのは節足動物だけであるが,胴の構成は分類群によって多少異なる。大半のグループでは胴は明りょうに分節した胸部と腹部からなるが,クモ類やカニ類では頭部と胸部が一体となって頭胸部をなし,それと腹部とが胴に相当する。… ※「一の銅」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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