In higher vertebrates, the gill slits do not open, and the lungs develop separately. In parallel with the opening of the gill slits, gill arches develop along each gill slit. In fish that live their entire lives in water, numerous gill lamellae are arranged in two rows on the outer and posterior sides of the gill arches, and function as respiratory organs. *Some of the terminology that mentions "gill arch" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…高等脊椎動物では鰓裂が開口するまでには至らず,別に肺の形成が進む。鰓裂の開口と並行して,それぞれの鰓裂に沿って鰓弓gill archが発達する。一生を水中で暮らす魚類では,鰓弓の外後側に無数の鰓弁gill lamellaが2列に並び,呼吸器官として働く。… ※「gill arch」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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