membrana

noun
mem·​bra·​na | \ mem-ˈbrā-nə How to pronounce membrana (audio) , -ˈbrä- How to pronounce membrana (audio) \
plural membranae\ -​ˌnē How to pronounce membranae (audio) , -​ˌnī How to pronounce membranae (audio) \

Medical Definition of membrana