1. Name some ways in which drugs are delivered to the body.

4. From Lin and Pisano, 1999

9. From Paolino et al, 2006

10. From Wang et al, 2006

11. Steps in in vitro fertilization 1.Stimulate ovulation in female patient 2.Harvest eggs 3.Harvest sperm 4.Sort sperm 5.Place egg and sperm in micromanipulator 6.Inject sperm into egg 7.Check for fertilization 8.Wait for embryo to develop into blastocyst (5 days) 9.Place blastocyst into the endometrial lining of the mother

12. Human Egg Cell

13. Intracytoplasmic Sperm Injection

14. Embryo at the 8-cell stage

15. Embryo at the blastocyst stage (ready for implantation)

17. From Schuster et al, 2003, figure taken from Suh et al, 2003

18. From Park et al., 2005