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  1. Conceptual image of influenza causing flu
  2. Chromatin beads, artwork
  3. Sycamore leaf bud, light micrograph
  4. Thornback Ray, X-Ray
  5. Electronic and biologic systems, artwork
  6. Cell structure
  7. Animal Cell, Illustration
  8. Blood, light micrograph
  9. Conceptual image of DNA
  10. Conceptual image of flagellate bacterium
  11. Conceptual image of plasmodium causing malaria
  12. Conceptual image of human tooth
  13. Monarch Butterfly Head, SEM
  14. Different types of acne, non-inflammatory and inflammatory
  15. Vibrio cholerae bacterium, TEM
  16. Legionella bacteria
  17. Mosquito Egg Raft With Hatching Larvae, SEM
  18. Anopheles Gambiae, Mosquito Malaria Carrier, SEM
  19. Female Mosquito, SEM
  20. Nuclear Membrane Pore, Illustration
  21. Common Firefly Pulvillar Pad, SEM
  22. Dicotyledon Root, SEM
  23. Beetles With Metallic Iridescence
  24. Microglial White Blood Cell, SEM
  25. Salmonella, TEM
  26. Male Mosquito, SEM
  27. Coffee Berry Borer, SEM
  28. Long-Nosed Cattle Louse And Egg Cases, SEM
  29. Ladybug Beetle, SEM
  30. Millipede (Polyxenus Sp.), SEM
  31. Carrion Beetle, SEM
  32. Cellular Protein Transport, Illustration
  33. ATP Synthase Enzyme Complex, Illustration
  34. Dog Flea Head, SEM
  35. Human immune response, artwork
  36. Mosquito Tarsus And Claw, SEM
  37. Mitochondrion, Illustration
  38. Carpet Beetle, SEM
  39. House Fly Head, SEM
  40. Female Mosquito, SEM
  41. Red Imported Fire Ant, SEM
  42. Anopheles Gambiae, Mosquito Carrier Of Malaria, SEM
  43. Black Fly Larva, SEM
  44. Parasitic Wasp Head, SEM
  45. Giant Water Bug, SEM
  46. Viral transfer of bacterial DNA, artwork
  47. Common House Mosquito Proboscis Tip, SEM
  48. Short-Nosed Cattle Louse, SEM