endometrium

American  

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

noun

Anatomy.

plural

endometria

1. the mucous membrane lining the uterus.

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endometrium British  

/ ˌɛndəʊˈmiːtrɪəm /

noun

1. the mucous membrane that lines the uterus

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endometrium Scientific  

/ ĕn′dō-mē′trē-əm /

plural

endometria

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

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Other Word Forms

• endometrial adjective

Etymology

Origin of endometrium

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

Example Sentences

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

From BBC • Jan. 18, 2024

The endometrium is a membrane that lines the uterus and thickens every month to support embryo implantation.

From BBC • Aug. 24, 2023

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

From BBC • Jun. 6, 2023

The outer layers of the developing embryo or blastocyst grow into the endometrium by digesting the endometrial cells, and healing of the endometrium closes up the blastocyst into the tissue.

From Textbooks • Apr. 25, 2013

An inflammation of the endometrium is called endometritis.

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