endometriosis

American  

[en-doh-mee-tree-oh-sis] / ˌɛn doʊˌmi triˈoʊ sɪs /

noun

Pathology.

1. the presence of tissue similar to the uterine lining outside of the uterus, especially in other pelvic organs such as the ovaries: characterized by cyst formation, adhesions, and pain.

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endometriosis British  

/ ˌɛndəʊˌmiːtrɪˈəʊsɪs /

noun

1. pathol the presence of endometrium in areas other than the lining of the uterus, as on the ovaries, resulting in premenstrual pain

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endometriosis Scientific  

/ ĕn′dō-mē′trē-ō′sĭs /

1. A gynecologic disorder characterized by the abnormal presence of functional endometrial tissue outside the uterus, often resulting in pelvic pain and dysmenorrhea.

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Etymology

Origin of endometriosis

First recorded in 1920–25; from New Latin; endometri(um) ( def. ) + -osis ( def. )

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Example Sentences

See Examples For:

endometriosis

Like difficult-to-treat colorectal cancer, endometriosis remains a major medical challenge, with existing treatments often unable to provide lasting relief.

From Science Daily ● Oct. 16, 2026

His laboratory is now investigating whether the same approach could help treat endometriosis, a chronic inflammatory condition affecting approximately one in 10 women.

From Science Daily ● Oct. 16, 2026

The report found 39% of women with endometriosis had experienced financial hardship because of the condition, while 40% said they had turned down career opportunities due to a lack of workplace support.

From BBC ● Oct. 15, 2026

Delyth Jewell, deputy minister for women's health, said the future of endometriosis care cannot be left to "the goodwill" of individual health boards.

From BBC ● Oct. 12, 2026

He’d pioneered the use of estrogen for treating symptoms of menopause and made important early discoveries about endometriosis.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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