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

She has lived with chronic endometriosis all of her adult life, having first begun to experience chronic period pain aged 14.

From BBC ● Nov. 2, 2026

NI women with endometriosis get a 'raw deal'

From BBC ● Nov. 2, 2026

That includes a £700,000 investment in two regional endometriosis centres located within the Belfast City and Altnagelvin Area hospitals, which will help develop specialist services for women with complex endometriosis problems.

From BBC ● Nov. 2, 2026

Aged 24, she was diagnosed with endometriosis - a condition that affects one in 10 women, where tissue similar to the lining of the womb grows outside of the uterus.

From BBC ● Oct. 25, 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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