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endometrium Syllabification: en·do·me·tri·um
Pronunciation: /ˌendōˈmētrēəm/

Definition of endometrium in English:


The mucous membrane lining the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.
Example sentences
  • So the uterus prepares itself for an embryo, with an endometrium about 5 mm thick and well supplied with blood.
  • Just like the normal endometrium, endometrial cells need the hormone oestrogen to survive and grow.
  • It is vital to get your periods at regular intervals, otherwise it can result in a thickened endometrium.


Pronunciation: /-trēəl/
Example sentences
  • Heat is used to remove the endometrial lining of the uterus, which is the main source of excessive menstrual bleeding.
  • For instance, women with this are also at risk of endometrial and ovarian cancers.
  • It is defined as the removal or destruction of the endometrial lining of the uterus.


Late 19th century: modern Latin, from endo- 'within' + Greek mētra 'womb'.

Definition of endometrium in:
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