An electron microscope study of cortical structures of Opalina obtrigonoidea.
D000818:Animals; D002462:Cell Membrane; D016798:Ciliophora; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D004583:Electrons; D056890:Eukaryota; D005407:Flagella; D007448:Invertebrates; D008854:Microscopy, Electron; D058009:Stramenopiles
PROTOZOA