gill slit

Japanese: gill slit(英語表記)gillslit
gill slit


[Vertebrate gills]
In many vertebrates, during development, several pairs of bulges appear on the side walls of the pharynx, and corresponding depressions also appear in the ectoderm. Eventually, the two connect to form gill slits that open onto the body surface. In higher vertebrates, the gill slits do not open, and the lungs form separately.

*Some of the terminology that mentions "gill slit" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[脊椎動物のえら]
 多くの脊椎動物では発生の過程で咽頭部の側壁に数対のふくらみが生じ,同時にこれらに対応して外胚葉にもくぼみができる。やがて両者は相通じて体表に開く鰓裂gill slitが形成される。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。…

※「gill slit」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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