<prompt> In spinal anesthesia is the drug is deposited betweenDura and ArachnoidPia and ArachnoidDora and veebraeInto the cord substance  <response>: Refer Katzung 10e p 419. In spinal anesthesia ,drug is deposited in the sub Arachnoid space.,,whereas in epidural anesthesia, it is given outside the duramater 