Last Updated：2025/11/20

(anatomy) A testicle of a vertebrate. / (biology) An analogous gland in invertebrates such as the hydra.

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testis

Source Word

testis

Noun

(anatomy) A testicle of a vertebrate. / (biology) An analogous gland in invertebrates such as the hydra.

Japanese Meaning

（解剖学）脊椎動物の精巣、すなわち睾丸。 / （生物学）無脊椎動物（例：ヒドラ）における、機能的に精巣に相当する腺。

During the dissection, the professor pointed to the testis and explained its role in hormone production.

解剖の際、教授は精巣を指さしてホルモン生成におけるその役割を説明した。

Sense（1）

(anatomy) A testicle of a vertebrate.

Sense（2）

(biology) An analogous gland in invertebrates such as the hydra.

testes

（ plural ）