title: Depression of frog isolated spinal cord by morphine and antagonism by tetracosactin.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D002122:Calcium Chloride / Q000494:pharmacology; D003864:Depression, Chemical; D004558:Electric Stimulation; D066298:In Vitro Techniques; D009020:Morphine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D011894:Rana pipiens; D012023:Reflex, Monosynaptic / Q000187:drug effects*; D013116:Spinal Cord / Q000187:drug effects*; D013126:Spinal Nerve Roots / Q000187:drug effects; D013696:Temperature
chemical_list: D009270:Naloxone; D009020:Morphine; D000324:Adrenocorticotropic Hormone; D002122:Calcium Chloride