| 释义 |
levorphanol, n. Pharm.|liːˈvɔːfənɒl|
[f. levo- + morphine n. + -ane + -ol.]
A narcotic analgesic drug more potent and longer-lasting than morphine, usually administered as the hydrogen tartrate; (-)-3-hydroxy-N-methylmorphinan.
1960National Formulary (Amer. Pharmaceut. Assoc.) (ed. 11) 188/2 Levorphanol Tartrate occurs as a practically white, odorless, crystalline powder. 1974M. C. Gerald Pharmacol. xiii. 256 Unlike levorphanol (Levo-Dromoran), a narcotic analgesic agent, dextromethorphan, its methylated dextro-isomer, possesses no analgesic activity..and is not a respiratory depressant. 1977Sci. Amer. Mar. 46/2 Potent opiates such as levorphanol and morphine have a much greater affinity for the receptor than weak ones such as meperidine and propoxyphene (Darvon). |