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

In June, she had surgery, which included a hysterectomy and a full bowel shave to try to remove endometriosis tissue which attached her womb to her bowel.

From BBC ● Nov. 2, 2026

After she had surgery for endometriosis, Hayley decided to switch to office work, due to it being less physically demanding.

From BBC ● Oct. 25, 2026

She had a hysterectomy in June and had her endometriosis removed but struggled mentally and physically to return to work as a teaching assistant.

From BBC ● Oct. 25, 2026

The 35-year-old from Essex was diagnosed with endometriosis 10 years ago.

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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