Image: Annie Cavanagh, Wellcome Images
2. Split end of human hair
Image: Liz Hirst, Wellcome Images
3. Purkinje neurons
Image: Annie Cavanagh, Wellcome Images
4. Hair cell in the ear
Image: Wellcome Photo Library, Wellcome Images
5. Blood vessels emerging from the optic nerve
Image: Freya Mowat, Wellcome Images
6. Tongue with taste bud
Image: David Gregory & Debbie Marshall, Wellcome Images
7. Tooth plaque
Image: David Gregory & Debbie Marshall, Wellcome Images
8. Blood clot
Image: David Gregory & Debbie Marshall, Wellcome Images
9. Alveoli in the lung
Image: David Gregory & Debbie Marshall, Wellcome Images
10. Lung cancer cells
Image: Anne Weston, Wellcome Images
11. Villi of small intestine
Image: Professor Alan Boyde, Wellcome Images
12. Human egg with coronal cells
Image: Yorgos Nikas, Wellcome Images
13. Sperm on the surface of a human egg
Image: Yorgos Nikas, Wellcome Images
14. Human embryo and sperm
Image: Dr. David Becker, Wellcome Images
15. Coloured image of a 6 day old human embryo implanting
Image: Yorgos Nikas, Wellcome Images
