Opioids

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