A unicellular protoctist of the phylum ciliophora , whose members are usually covered in short undulipodia ( cilia ) and have two different kinds of nuclei , micronuclei and macronuclei 2纖毛蟲:纖毛蟲綱的一類原生單細胞生物。該類生物具有短的纖毛,還具有兩個細胞核,一個是大核,另一個是小核。
百科解釋
A macronucleus (formerly also meganucleus) is the larger type of nucleus in ciliates. Macronuclei are polyploid and undergo direct division without mitosis.