endometrium
noun
en·do·me·tri·um
ˌen-dō-ˈmē-trē-əm 
plural endometria
ˌen-dō-ˈmē-trē-əm
: the mucous membrane lining the uterus
Examples of endometrium in a Sentence
Recent Examples on the Web
To address this gap, researchers from the Chinese Academy of Sciences designed a three-dimensional model of the human endometrium, the tissue that lines the uterus.
—
Rupendra Brahambhatt, Interesting Engineering, 10 Jan. 2026
With this stage of cancer, your tumor is limited to the endometrium (the inner lining of your uterus).4
If your healthcare provider communicates this stage, the tumor is a non-aggressive histologic type.
—Sherri Gordon, Health, 7 Sep. 2025
The endometrium is an inner layer of the uterus, and endometrial cancer therefore primarily affects women.
—Abigail Folberg, The Conversation, 27 Aug. 2025
This may happen due to hormonal issues, such as low progesterone, or problems with the way your endometrium (uterine lining) responds to progesterone.
—Laura Dorwart, Verywell Health, 8 July 2025
See All Example Sentences for endometrium
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Rupendra Brahambhatt, Interesting Engineering, 10 Jan. 2026
With this stage of cancer, your tumor is limited to the endometrium (the inner lining of your uterus).4
If your healthcare provider communicates this stage, the tumor is a non-aggressive histologic type.
—Sherri Gordon, Health, 7 Sep. 2025
The endometrium is an inner layer of the uterus, and endometrial cancer therefore primarily affects women.
—Abigail Folberg, The Conversation, 27 Aug. 2025
This may happen due to hormonal issues, such as low progesterone, or problems with the way your endometrium (uterine lining) responds to progesterone.
—Laura Dorwart, Verywell Health, 8 July 2025
See All Example Sentences for endometrium
Cite this Entry
“Endometrium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endometrium. Accessed 26 Jan. 2026.
Copy CitationKids Definition
endometrium
noun
en·do·me·tri·um
ˌen-dō-ˈmē-trē-əm
plural endometria
-trē-ə
: the mucous membrane lining the uterus
Medical Definition
endometrium
noun
en·do·me·tri·um
-ˈmē-trē-əm
plural endometria
-trē-ə
: the mucous membrane lining the uterus that is composed of three layers see stratum basale, stratum compactum, stratum spongiosum
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