Last Updated：2025/11/20

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

thymus

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Source Word

thymus

IPA(Pronunciation)

Noun

(anatomy, immunology) A ductless gland, consisting mainly of lymphatic tissue, located behind the top of the breastbone. It is most active during puberty, after which it shrinks in size. It plays an important role in the development of the immune system and produces lymphocytes.

Japanese Meaning

胸腺（きょうせん）: 免疫系の発達に重要な役割を果たすリンパ組織からなる管状ではない腺。胸骨の上部の後ろに位置し、主に思春期前に活発に働き、その後は縮小する。

What is this buttons?

The thymus shrinks after puberty but remains crucial for producing lymphocytes that help develop the immune system.

Google Translation / DeepL Translation

胸腺は思春期以降に縮小しますが、免疫系の発達に重要で、リンパ球を産生して免疫を助けます。

Sense（1）

(anatomy, immunology) A ductless gland, consisting mainly of lymphatic tissue, located behind the top of the breastbone. It is most active during puberty, after which it shrinks in size. It plays an important role in the development of the immune system and produces lymphocytes.

For a very long time the role of the thymus in the body was a complete mystery.

Google Translation / DeepL Translation

thymi

（ plural ）

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