最終更新日：2025/11/23

(anatomy) A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy

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decidua

元となった辞書の項目

decidua

IPA（発音記号）

名詞

(anatomy) A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy

日本語の意味

子宮内膜。子宮の内側を覆う粘膜で、月経時に剥がれ、妊娠時に変性する部分。

During the first trimester, the decidua thickens to support the developing embryo.

妊娠初期には、脱落膜が厚くなって発育中の胚を支えます。

意味（1）

(anatomy) A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy

deciduas

（ plural ）

deciduae

（ plural ）