endometrium

noun

en·​do·​me·​tri·​um ˌen-dō-ˈmē-trē-əm How to pronounce endometrium (audio)
plural endometria ˌen-dō-ˈmē-trē-əm How to pronounce endometrium (audio)
: the mucous membrane lining the uterus
endometrial adjective

Examples of endometrium in a Sentence

Recent Examples on the Web In endometriosis, another prevalent condition that for some becomes a life-altering chronic disease, tissue mimicking the lining of the uterus (the endometrium) grows elsewhere in the body (most commonly in the pelvis). Laura Kolbe, The New York Review of Books, 18 Jan. 2024 During menstruation, the inner membrane of the uterus (known as the endometrium) is shed. Holly Eagleson, Parents, 30 Nov. 2023 Endometriosis, which affects one in 10 British people with uteruses, is a disabling inflammatory condition whereby tissue that is similar to that which lines the uterus – called the endometrium – grows and spreads in other parts of the body. Lucia Osborne-Crowley, refinery29.com, 25 July 2022 Hyperplasia in the uterus, known as endometrial hyperplasia, occurs when the lining of the uterus (endometrium) becomes too thick, per the Cleveland Clinic. Caroline Kee, NBC News, 17 Oct. 2023 Endometriosis Endometriosis is a condition where cells similar to the ones that line the inside of the uterus—the endometrium—grow outside the uterus. Samantha Lauriello, Health, 25 Aug. 2023 As noted by the National Center for Biotechnology Information, the endometrium (the membrane lining the uterus) plays a pivotal role during the implantation window, the time during which your lining is at its most optimal state to receive an embryo properly. L'oreal Thompson Payton, SELF, 24 Apr. 2021 Adding to the complexity are clues that the endometrium has a microbiome, which also becomes disordered in endometriosis. Jena Pincott, Scientific American, 1 June 2018 The blood that is lost during menstruation is the endometrium (the lining of the uterus), and after that lining is shed, the pituitary gland in the brain releases follicle stimulating hormone (FSH). Kaitlyn Phoenix, Good Housekeeping, 29 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'endometrium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from end- + Greek mētra uterus, from mētr-, mētēr mother — more at mother

First Known Use

circa 1882, in the meaning defined above

Time Traveler
The first known use of endometrium was circa 1882

Dictionary Entries Near endometrium

Cite this Entry

“Endometrium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endometrium. Accessed 16 Apr. 2024.

Kids Definition

endometrium

noun
en·​do·​me·​tri·​um ˌen-dō-ˈmē-trē-əm How to pronounce endometrium (audio)
plural endometria -trē-ə How to pronounce endometrium (audio)
: the mucous membrane lining the uterus

Medical Definition

endometrium

noun
en·​do·​me·​tri·​um -ˈmē-trē-əm How to pronounce endometrium (audio)
plural endometria -trē-ə How to pronounce endometrium (audio)
: the mucous membrane lining the uterus that is composed of three layers see stratum basale, stratum compactum, stratum spongiosum

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