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  1. Scanning electron micrograph of a human T cell
  2. Glial cells, confocal light micrograph
  3. Mitochondria, TEM
  4. Typical Animal Cell and Plant Cell
  5. Lung cells, fluorescent micrograph
  6. Multiphoton fluorescence image of HeLa cells
  7. Scanning electron micrograph of a human neutrophil ingesting MRSA
  8. Cell
  9. Cell
  10. Conceptual image of DNA
  11. Cell
  12. Microscopic view of human B-cells
  13. Synapses, artwork
  14. Volvox colony, light micrograph
  15. Conceptual image of neuron
  16. Conceptual image of mitosis
  17. Colon blood vessels, light micrograph
  18. Cell
  19. Cardiac muscle, TEM
  20. Laboratory vessels on drying rack
  21. Castor oil stem, light micrograph
  22. Pond life
  23. Conceptual image of DNA
  24. Normal wrist, X-ray.
  25. Cardiac muscle, TEM
  26. Human anatomy showing deep muscles in the neck and upper back
  27. Antibody, artwork
  28. Microscopic view of bacteria
  29. Cell
  30. Cannabinoid receptor binding, artwork
  31. Cardiac muscle and capillary, TEM
  32. Cell
  33. Dandelion plant stem, light micrograph
  34. Stem cells, artwork
  35. Conceptual image of neuron
  36. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  37. Conceptual image of DNA
  38. Cartilage cells, TEM
  39. Colorized scanning electron micrograph of filamentous Ebola virus particles
  40. Mitochondrion, TEM
  41. Leukemia blood cells, light micrograph
  42. Scanning electron micrograph of Staphylococcus and a dead human neutrophil
  43. Sickle cell anaemia
  44. Protozoa, historical artwork
  45. Evolution of life, artwork
  46. Bracken rhizome, light micrograph
  47. Cyanobacteria, SEM
  48. Chain Of Molecules