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  1. Insect microscopy, 19th century
  2. Illustration showing diverticulitis of the colon
  3. Illustration of syringe needle drawing blood lipid
  4. Illustration of septal cirrhosis of the liver
  5. Illustration of coronary artery atherosclerosis
  6. Illustration of a whiplash injury to the neck
  7. Illustration of a calculus or stone in the kidney
  8. Human skull
  9. Human skull
  10. Human skeleton
  11. Human nervous system, artwork
  12. Human nervous system, artwork
  13. Human lungs, artwork
  14. Human heart, artwork
  15. HIV virus particles, artwork
  16. Hipparchus, Ancient Greek astronomer
  17. Henri Poincare, French mathematician
  18. Heart disease, artwork
  19. Heart and neck blood vessels
  20. Heart and lungs
  21. Heart after heart attack
  22. Heart
  23. Healthy teeth, artwork
  24. Healthy adult hand, X-ray
  25. Gregor Mendel, Austrian botanist
  26. Granville Woods, US inventor
  27. Glaucoma
  28. German printing press inventors
  29. Genetic research
  30. Genetic code
  31. Galileo using a telescope
  32. Galileo
  33. Galen lecturing on anatomy in Rome
  34. Francesco Sforza, military leader
  35. Foot bones and ligaments
  36. Foot bones
  37. Foot anatomy by Leonardo da Vinci
  38. Foot anatomy
  39. Features of fingerprints
  40. Faraday's electrolysis experiment, 1833
  41. Facial nerves
  42. Embryonic development
  43. Egyptian creation myth
  44. Ear anatomy
  45. DNA molecule, conceptual artwork
  46. Dental anatomy
  47. Cut artery, artwork
  48. Cranial nerves