endocervix

noun
en·​do·​cer·​vix | \ -ˈsər-viks How to pronounce endocervix (audio) \
plural endocervices\ -​və-​ˌsēz How to pronounce endocervices (audio) \

Medical Definition of endocervix

: the epithelial and glandular lining of the uterine cervix