(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.
Opiate
Definition:
(n.) Originally, a medicine of a thicker consistence than sirup, prepared with opium.
(n.) Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic.
(n.) Anything which induces rest or inaction; that which quiets uneasiness.
(a.) Inducing sleep; somniferous; narcotic; hence, anodyne; causing rest, dullness, or inaction; as, the opiate rod of Hermes.
(v. t.) To subject to the influence of an opiate; to put to sleep.
Example Sentences:
(1) 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.
(2) Opiate agonists and endogenous opioid peptides inhibit electrolyte secretion both in vitro and in vivo.
(3) It appears that tricyclic antidepressants act in a fashion different from opiate drugs that alter the sensory discriminative component of pain.
(4) The results are discussed with reference to the possible mechanism(s) via which injected and endogenous opiates may affect motor performance by attenuating GABA transmission in the nigra.
(5) Pharmacological data suggest that opiates, acting indirectly via the catecholaminergic system, are involved in the inhibition of LH release and the stimulation of PRL secretion.
(6) Such disturbances may be induced by opiates, benzodiazepines, phenothiazines, butyrophenones, ketamine, etomidate, propofol, nitrous oxide, and halogenated inhalation anesthetics as well as by H2-blocking agents such as cimetidine.
(7) From these results, we conclude that opiate peptides are released in response to the suckling stimulus in the cynomolgus monkey and that they mediate the effects of suckling on PRL secretion in both gonadal-intact and agonadal cynomolgus monkeys.
(8) Its potency is 4-5 times greater than that of the opiate antagonist naloxone.
(9) A cost-effective immunoassay for the detection of opiates in urine has been developed using commercial reagents on a centrifugal analyser.
(10) Drugs used to promote food intake and weight gain, such as cyproheptadine, amitriptyline, clonidine and opiate antagonists, have provided disappointing results.
(11) An alternative approach, which correlates the structure-activity data of opiate compounds with that of the enkephalins, is described and shown to produce a model consistent with the available structure-activity data.
(12) However, opiate treatment is not a new therapeutic concept in psychiatry.
(13) The inhibitory response was not decreased by treatment with atropine, hexamethonium, yohimbine or naloxone, suggesting that muscarinic, nicotinic, alpha 2 adrenergic or opiate receptors were not being stimulated.
(14) The hypothesis that opiate agonism requires an N substituent in the axial position does not appear to be consistent with the increased potency of beta isomers in which axial N substituents are thermodynamically more unstable.
(15) We report that exposure of rat spinal cord-dorsal root ganglion cocultured neurons to kappa-opiate agonist is accompanied by a 60-70% reduction in the level of the alpha i subunit of GTP-binding proteins.
(16) Cerebrospinal fluid (CSF) opiate activity has been found to be elevated in two studies.
(17) PBEir increased with both opiates immediately after initiation of CPB and remained so during the rest of the study.
(18) Diclofenac is an alternative to opiates in the management of postoperative pain.
(19) On the other hand, if the tissue-derived opiates were from prodynorphin, only Leu-enkephalin should be found.
(20) Analysis of patient questionnaires suggests more enthusiasm for patient-controlled analgesia, but in this study, it was difficult to clearly demonstrate any significant advantage for pain management or amount of opiate administered.