External renal hilus

Japanese: 外腎門 - がいじんもん
External renal hilus


[Exhaust system]
The excretory organ of most polychaetes and oligochaetes is the nephridia, a long, curved tube that connects the body cavity to the outside world. The opening into the body cavity is the nephrostomy, and the opening outside the body is the exonephric hilus. The nephridia are funnel-shaped and densely covered with cilia.

*Some of the terminology explanations that mention the "external renal hilus" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[排出系]
 大部分の多毛類や貧毛類の排出器官は腎管であって,細長い屈曲した管で体腔と外界とを結んでいる。体腔に開く口が腎口で,体外に開く口が外腎門である。腎口は漏斗状で繊毛が密生している。…

※「外腎門」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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