<prompt> Buprenorphine is paial agonist of-Mu receptorDelta d receptorKappa K receptorSigma s receptor  <response>: Ans. is a i.e., Mu receptor Nature of interaction of opioid ligands with the three major types of opioid receptors, along with equivalent analgesic doses Ligand mu lc kappa S delta Analgesic dose mg 1. Morphine Ago. St Ago. W Ago. W 10 2. Nalorphine Anta. St Ago. M 3. Pentazocine P. Ago., Anta. W Ago. M 30-60 4. Butorphanol P. Ago. W Ago. St 1-3 5. Buprenorphine P. Ago. Anta. M 0.3-0.4 6. Naloxone Anta. St Anta. M Anta. W 7. Naltrexone Anta. St Anta. M Anta. W 8. MetLeu enkephalin Ago. M Ago. St 9. 3-Endorphin Ago. St Ago. St 10. Dynorphin A, B Ago. W Ago. St Ago. W 