Across
- 2. calming effect of opioids
- 4. side effect of morphine
- 9. method of administration
- 10. protein responsible for pain production
- 13. introduction of nutrition, a medication, or other substance into the body via a route other than the mouth
- 14. heroin
- 18. feeling pain
- 20. drug replacement for heroin addicts
- 21. flower from which opioids can be extracted
Down
- 1. organ of opioid metabolism
- 3. naturally occuring opiods/ endogenous peptides
- 5. type of dependance highlighted by shaking
- 6. less potent version of morphine
- 7. opiate receptor highly concentrated in the brain
- 8. reduced/ bowel immobility
- 11. tolerance and addiction
- 12. damage to nerves
- 15. pain relief
- 16. pain localised to organs
- 17. morphine patches
- 19. drug to reverse opiate action