title: The coelomic elements of sea urchins (Strongylocentrotus). V. Ultrastructure of leukocytes exposed to bacteria.
mesh_terms: D000818:Animals; D001407:Bacillus; D004447:Echinodermata / Q000276:immunology*; D004721:Endoplasmic Reticulum; D007962:Leukocytes / Q000166:cytology* / Q000276:immunology; D008854:Microscopy, Electron; D010587:Phagocytosis