…In frogs, waterfowl, otters, and some other mammals, the toes help them paddle when swimming or diving. Birds have toes that are classified according to the degree of development of the webbing, as totipalmate (all four toes are webbing, only in the Pelecaniformes), palmate (the front three toes are webbing, only in the Pelecaniformes), or palmate (the front three toes are webbing, only in the Pelecaniformes). *Some terminology explanations that mention "palmate" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…カエルや水鳥,カワウソなど一部の哺乳類などにあって,遊泳や潜水の際に水をかくのに役だつ。鳥類の足指は,水かきの発達の程度によって,全蹼足(ぜんぼくそく)totipalmate(4本の指が全部水かきでつながる。ペリカン目のみ),蹼足palmate(前3本の指が水かきでつながる。… ※「palmate」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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