花蟲類動物
Planarian \Pla*na"ri*an\, n. (Zo["o]l.) One of the Planarida, or Dendroc[oe]la; any turbellarian worm. -- {Pla*na"ri*an}, a. Planarian \Pla*na"ri*an\, n. (Zo["o]l.) One of the Planarida, or Dendroc[oe]la; any turbellarian worm. -- {Pla*na"ri*an}, a.
planarian n : free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts [syn: {planaria}]