endometrium

 
Pronunciation: /ˌɛndə(ʊ)ˈmiːtrɪəm/

noun

Anatomy
  • the mucous membrane lining the womb, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.

Derivatives

endometrial

Pronunciation: /ɛndə(ʊ)ˈmiːtrɪəl/
adjective

Origin:

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