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endometrium

American  
[en-doh-mee-tree-uhm] / ˌɛn doʊˈmi tri əm /

noun

Anatomy.
endometria plural
  1. the mucous membrane lining the uterus.


endometrium British  
/ ˌɛndəʊˈmiːtrɪəm /

noun

  1. the mucous membrane that lines the uterus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

endometrium Scientific  
/ ĕn′dō-mētrē-əm /
endometria plural
  1. The mucous membrane that lines the uterus. A fertilized egg must embed itself in the endometrium in order to develop into an embryo.

  2. See more at menstrual cycle


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of endometrium

1880–85; endo- + New Latin -metrium < Greek mḗtr ( ā ) womb + -ion diminutive suffix

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The researchers also noticed age-related changes to the womb lining or endometrium - where a fertilised egg or embryo implants to grow - in the older women.

From BBC Jul. 6, 2026

During this period, the placenta implants itself into the endometrium - the mucosal lining of the mother's uterus.

From BBC Jan. 18, 2024

Adenomyosis, when the endometrium, womb lining, grows within the womb's muscular wall, can cause:

From BBC Jun. 6, 2023

This is lined with an endometrium rich in blood vessels and mucus glands.

From Textbooks Jun. 9, 2022

An inflammation of the endometrium is called endometritis.

From Woman Her Sex and Love Life by Robinson, William J.

Could you give us a condensed version of the role that our endometria play in immune response?

From Slate Apr. 22, 2021

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