decidua.
A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy.
Meaning & usage
A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy.
Where this word comes from
From Latin dēciduus (“falling down or off”), from dēcidō (“fall down”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.