opossum-shrimp (English spelling) opossumshrimp

Japanese: opossum-shrimp(英語表記)opossumshrimp
opossum-shrimp (English spelling) opossumshrimp

…When the female reaches maturity, she lays eggs in a large brood chamber formed by overlapping two or three pairs of thin, large ovules that develop from the base of the inner thoracic legs. This is why the English name opossum is used. The fertilized eggs develop in this chamber, and leave the chamber with all the thoracic legs like the adult, so they do not have a special larval stage like shrimp or krill.

*Some of the terminology that mentions "opossum-shrimp" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…成熟すると雌は胸脚内側の基部から発達した2~3対の薄くて大きな覆卵葉が重なり合ってできた大きな育房の中に産卵する。ここから英名もopossum‐shrimp(オポッサムは南・北アメリカにすむ有袋類)と呼ばれる。受精卵はこの中で発育し,成体と同様な全胸脚を備えた形となって育房を去るので,エビやオキアミのような特別な幼生期をもたない。…

※「opossum-shrimp」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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