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

Interactions between the cells of the endometrium and the cells of the placenta are critical to whether a pregnancy is successful.

From BBC • Jan. 18, 2024

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

The endometrium begins to regrow, replacing the blood vessels and glands that deteriorated during the end of the last cycle.

From Textbooks • Jun. 9, 2022

An inflammation of the endometrium is called endometritis.

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