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19 results
  • A common cold germ asking the father of a neurasthenia bacillus if he can marry her; he is refused on account of the social gap between them. Pen drawing by C. Harrison, 1913.
  • Leishmania mexicana parasites in the promastigote stage, SEM
  • Leishmania mexicana parasites in the amastigote stage, SEM
  • Leishmania mexicana parasites in the amastigote stage, SEM
  • Leishmania mexicana parasite in the promastigote stage, SEM
  • Reverse transcription, HIV viral life cycle, illustration
  • HIV translation, HIV viral life cycle, illustration
  • HIV attachment, HIV viral life cycle, illustration
  • HIV transcription, HIV viral life cycle, illustration
  • HIV assembly and budding, HIV viral life cycle, illustration
  • HIV and antibodies, HIV viral life cycle, illustration
  • Drosophila ovaries stained for actin/purple and DNA/orange.
  • HIV integration, HIV viral life cycle, illustration
  • HIV maturation, HIV viral life cycle, illustration
  • Metastatic seminoma of supraclavicular lymph node
  • Oogenesis in Drosophila ovariole
  • Oogenesis in Drosophila ovariole
  • Oogenesis in Drosophila ovariole
  • Testicular Cancer