(n.) One of the opium alkaloids; a white crystalline substance, C18H21NO3, similar to and regarded as a derivative of morphine, but much feebler in its action; -- called also codeia.
Example Sentences:
(1) No associations were found between sex, body-weight, smoking habits, age, urine volume or urine pH and the O-demethylation of codeine.
(2) The analgesic effects of acetaminophen alone were not significantly different from acetaminophen in combination with codeine.
(3) These results have implications in utilizing codeine phosphate as a positive skin prick test control for allergy testing.
(4) In the degradation reaction, formation of the symmetrically substituted citrate ester of codeine, 1, was found to predominate.
(5) Analysis of hair samples obtained from 10 drug-free control subjects were negative for 6-acetylmorphine, morphine, and codeine.
(6) Codeine and fenoprofen rapidly achieve their ultimate plasma equilibrium levels (on a q.
(7) Codeine 60 mg was significantly superior to placebo in all pain measures.
(8) Based on the current understanding that the analgesic effect of codeine is mediated primarily through morphine, one might anticipate that poor metabolisers would not obtain pain relief from codeine.
(9) One hundred patients completed the study and were randomly assigned to four treatment groups, each receiving either functioning transcutaneous electrical nerve stimulators (TENS), placebo TENS, acetaminophen with codeine and a functioning TENS, or acetaminophen with codeine and a placebo TENS.
(10) Codeine was converted to codeinone and 14-hydroxycodeinone.
(11) These data suggest that codeine undergoes filtration at the glomerulus, tubular secretion and passive reabsorption.
(12) The animals completely generalized to the effects of codeine, fentanyl and EK-209, but did not generalize completely to the effect of ethylketocyclazocine.
(13) Haloperidol, used in a dose which did not affect the locomotor activity of mice, completely blocked or even reversed the stimulatory action of morphine and fentanyl, and potentiated the depression of locomotor activity produced by pentazocine and codeine.
(14) Comparison of the area under the time-effect curves for the combination and the individual components confirmed the synergism between codeine and paracetamol.
(15) The hydrolysis of codeine-6-glucuronide by beta-glucuronidase was incomplete and urine reduced the extent of hydrolysis.
(16) After amphetamine, codeine, or ampicillin administration, no target organ toxicity was seen in rats or mice, even at doses which caused body weight gain depression.
(17) Codeine 60 mg had a more rapid onset of action and greater maximal effects than Ro 15-8081.
(18) Protection by codeine 20 mg, dextromethorphan 30 mg, noscapine 30 mg, and placebo against citric acid-induced cough was determined in eighteen healthy subjects.
(19) The clinical significance of this polymorphism to the antidiarrhoeal and antitussive properties of codeine is not known.
(20) These data suggest that codeine-6-glucuronide undergoes filtration at the glomerulus and tubular reabsorption.
Morphine
Definition:
(n.) A bitter white crystalline alkaloid found in opium, possessing strong narcotic properties, and much used as an anodyne; -- called also morphia, and morphina.
Example Sentences:
(1) Intrathecal injection of zopiclone potentiated morphine antinociception, while the intracerebroventricular injection of zopiclone failed to enhance morphine antinociception and the intracerebroventricular injection of flumazepil to antagonize the intraperitoneal-zopiclone-induced increase in morphine antinociception.
(2) As a consequence, similar response curves were obtained for urine specimens containing morphine or barbiturates.
(3) The second experiments entailed use of the nonspecific opiate antagonist, naloxone, as well as the specific delta antagonist, ICI 154,129, against seizures induced by icv-administered morphine, morphiceptin, DADL, or DSLET.
(4) The results clearly show that the acute hyperthermia of unrestrained rats induced by either peripheral or central injections of morphine is not caused by activation of the pituitary-adrenal axis.
(5) We studied the effect of low-dose intrathecal morphine (0.00-0.20 mg) on pain relief and the incidence of side effects after cholecystectomy in 139 patients divided into eight groups according to intrathecal morphine dose: groups 1 (0.00 mg), 2 (0.04 mg), 3 (0.06 mg), 4 (0.08 mg), 5 (0.10 mg), 6 (0.12 mg), 7 (0.15 mg), and 8 (0.20 mg).
(6) In contrast, methysergide, ketanserin and 6-OHDA abolished the antisecretory effect of morphine.
(7) The analgesic activity of morphine was assessed by the hot-plate technique in the offspring of female CFE rats that had received morphine twice daily on days 5 to 12 of pregnancy.
(8) A marked analgesic effect was found after application of morphine hydrochloride patch containing Azone and N-methyl-2-pyrrolidone.
(9) From the results presented it appears that morphine produces a reciprocal change in the activity evoked in extensor and flexor reflex pathways.
(10) These marked steroid-induced changes in MS responsiveness could not be explained by altered pharmacokinetic disposition of morphine.
(11) Sixty-three patients were randomly divided into six groups by the following intrathecal morphine injection: group 1 (0 mg), group 2 (0.025 mg), group 3 (0.05 mg), group 4 (0.075 mg), group 5 (0.1 mg), and group 6 (0.125 mg).
(12) Additional studies on the blood to brain transport of human 125I-IL-1 alpha showed no modification by dexamethasone, morphine, indomethacin or alpha-melanocyte stimulating hormone.
(13) At both 24 h and 1 week, the inflamed paw showed pronounced supersensitivity to the antinociceptive action of morphine against noxious pressure.
(14) These results are discussed in relation to previous reports suggesting a common addiction liability for both morphine and alcohol in inbred strains of animals.
(15) An altered response to morphine was obtained; the effect of morphine on copulatory behavior was diminished while morphine's effect on exploratory activity was potentiated.
(16) In the MVD, all esters appeared to irreversibly block the agonist effect of morphine, but none of the compounds irreversibly antagonized [D-Ala2,D-Leu5]enkephalin to a significant degree.
(17) Morphine administered intracerebroventricularly had little effect on sexual responding, even at doses which produced other side effects.
(18) Morphine-induced vasoconstriction was antagonized by high concentrations of of naloxone or mepyramine and may be due to release of histamine by a naloxone-sensitive mechanism.
(19) In particular, the first tetrapeptide had twice the activity of morphine, while the potency of the dipeptides was less than one twentieth that of morphine.
(20) Morphine addition to the PGE1-stimulated minces did not prevent or reverse stimulation of [3H]cAMP accumulation in any of the three experimental groups.