title: The lymphocyte in immunological reactions in vitro: ultrastructural studies.
mesh_terms: D000937:Antigen-Antibody Reactions; D002465:Cell Movement; D046508:Culture Techniques; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast