endosalpinx

noun
en·​do·​sal·​pinx | \ ˌen-dō-ˈsal-ˌpiŋ(k)s How to pronounce endosalpinx (audio) \
plural endosalpinges\ -​sal-​ˈpin-​ˌjēz How to pronounce endosalpinges (audio) \

Medical Definition of endosalpinx

: the mucous membrane lining the fallopian tube