endometriosis

[en-doh-mee-tree-oh-sis]
noun Pathology.
  1. the presence of uterine lining in other pelvic organs, especially the ovaries, characterized by cyst formation, adhesions, and menstrual pains.

Origin of endometriosis

From New Latin, dating back to 1920–25; see origin at endometrium, -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for endometriosis

endometriosis

noun
  1. pathol the presence of endometrium in areas other than the lining of the uterus, as on the ovaries, resulting in premenstrual pain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

endometriosis in Medicine

endometriosis

[ĕn′dō-mē′trē-ōsĭs]
n.
  1. A condition, usually resulting in pain and dysmenorrhea, characterized by the abnormal presence of functional endometrial tissue outside the uterus, frequently as cysts containing altered blood.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

endometriosis in Science

endometriosis

[ĕn′dō-mē′trē-ōsĭs]
  1. A gynecologic disorder characterized by the abnormal presence of functional endometrial tissue outside the uterus, often resulting in pelvic pain and dysmenorrhea.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.