title: Ciliary rootlet-fibres as tail fin-rays in larval amphioxus(Branchiostoma lanceolatum, Pallas).
mesh_terms: D000818:Animals; D001718:Birefringence; D002467:Cell Nucleus / Q000648:ultrastructure; D002816:Chordata, Nonvertebrate / Q000648:ultrastructure*; D002923:Cilia / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D002479:Inclusion Bodies / Q000648:ultrastructure; D007814:Larva / Q000648:ultrastructure; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008859:Microscopy, Polarization; D008870:Microtubules / Q000648:ultrastructure; D008928:Mitochondria / Q000648:ultrastructure; D013623:Tail / Q000648:ultrastructure