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  1. Artwork of foetal blood flow through placenta
  2. Artwork of eye
  3. Artwork of drug transmission to brain nerve cell
  4. Artwork of alveoli
  5. Artwork of a section through the human kidney
  6. Amateur astronomy, computer artwork
  7. 1951 space shuttle design
  8. Zodiac signs
  9. Zenobe Gramme
  10. Young hare, by Durer
  11. xDNA molecule
  12. xDNA molecule
  13. White noise, conceptual artwork
  14. Viral throat infection, artwork
  15. Tuberculosis bacteria, artwork
  16. Torso bones
  17. Torso bones
  18. Tongue anatomy
  19. Tick feeding, artwork
  20. Thoracic and abdominal muscle
  21. Thomas Edison, US inventor
  22. The four humours, diagram
  23. Sympathetic nerves, upper body
  24. Surgical instruments for use on bone
  25. Surface anatomy of the eye, ear and nose
  26. Stem cell, conceptual artwork
  27. Stem cell research
  28. Spine anatomy
  29. Spine anatomy
  30. Spinal bones and ligaments
  31. Slipped disc
  32. Sleeping sickness parasite
  33. Skull anatomy
  34. Sir Walter Raleigh , English explorer
  35. Sir Isaac Newton, British physicist
  36. Sickle cell anaemia
  37. Scoliosis of the spine, artwork
  38. Rhazes, Islamic scholar
  39. Pulmonary disease
  40. Pregnancy, conceptual artwork
  41. Pregnancy
  42. Pelvis bones and ligaments
  43. Osteoporosis
  44. Osteoporosis
  45. Osteoporitic spine
  46. No fast food sign
  47. Nikola Tesla, Serb-US physicist
  48. Nicolaus Copernicus, Polish astronomer