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

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

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

From BBC • Jun. 6, 2023

The trophoblast secretes enzymes that allow implantation of the blastocyst into the endometrium of the uterus.

From Textbooks • Apr. 25, 2013

It is the endometrium that is principally concerned in menstruation—that is, it is from it that the monthly discharge of blood comes.

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