Definition of "adenomyosis" [adenomyosis]

• A form of endometriosis characterized by the invasive, usually benign growth of tissue into smooth muscle such as the uterus. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Heavy and sometimes painful menstrual periods in women in our forties may be associated with a condition known as adenomyosis."
• "In some instances, endometrial tissue can also invade the muscle wall of the uterus, causing a problem known as adenomyosis."
• "They will also compare their current results with those reported for myomectomy and uterine artery embolization and investigate the efficacy of MRgFUS in treating other uterine conditions, such as adenomyosis, a condition in which tissue that normally lines the uterus also grows within the muscular walls of the uterus, said Hesley."