choanocyte, collar cell -- (any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body)
dictionary, definition of, free online dictionary, online dictionary, English dictionary, dict, diction, dictonary, glossary, define, definitions, meaning, word of the day, spelling, pronunciation, dictio, dictiona, dic, dicti, dictionar