Last Updated：2025/11/23

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(zoology) Any animal, of the subphylum Deuterostomia, in which the initial pore formed during gastrulation becomes the anus, and the second pore becomes the mouth.

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deuterostome

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Source Word

deuterostome

Noun

Japanese Meaning

（動物学）後口動物に属する動物。胚発生において、原腸の最初の開口が肛門となり、次の開口が口になる動物のこと。

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During the lecture, she emphasized that the sea star is a deuterostome, characterized by the first gastrulation opening forming the anus and the second forming the mouth.

Google Translation / DeepL Translation

講義の中で、彼女はヒトデが初期胚発生で最初に形成される孔が肛門になり、二番目の孔が口になる後口動物であると強調した。

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deuterostomes

（ plural ）

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deuterostome

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deuterostome

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