choanocyteyoudaoicibaDictYouDict[choanocyte 词源字典]
"A flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges", Late 19th century: from Greek khoanē 'funnel' + -cyte.[choanocyte etymology, choanocyte origin, 英语词源]