(n.) A crystalline alkaloid obtained from morphia. It is a powerful emetic.
Example Sentences:
(1) Isolates showed a decrease in the intensity of apomorphine-induced stereotyped behaviours but no change in stereotypy induced by AMPH.
(2) The results show that centrally administered serotonin, the serotonin precursor, 5-hydroxytryptophan administered with clorgyline, a selective MAO A inhibitor, quipazine, a serotonin receptor agonist, and fluoxetine, a selective inhibitor of neuronal re-uptake of serotonin, attenuated all paradigms of FIA and apomorphine induced potentiation of FIA.
(3) When injected separately, in control experiments, both compounds had similar effects on the exploratory-motor activity and the emotional behaviour, but when injected simultaneously in various doses a distinct antagonism between l-DOPA and apomorphine, according to all the behaviour tests, was noted (a decrease of sterotypy, aggressiveness and emotional reactivity).
(4) The present experiment was conducted to determine if a single direct dopamine (DA) agonist, apomorphine (APO), pretreatment could produce a rapid uncoupling of the striatal DA D-2 receptor from its G-proteins.
(5) However, when mice pretreated with reserpine 24 h earlier were used, NPA was found to be 6.5 times more active in producing locomotor stimulation and 8.7 times more active in producing stereotypy than apomorphine.
(6) Metoclopramide did not counteract the apomorphine effect and, in higher doses, water intake was even further reduced.
(7) Morphine (0.1 to 5 micrograms), but not U-69,593 (5 micrograms), injected into the PVN 10 minutes before oxytocin or apomorphine, was found to be able to prevent penile erection and yawning induced by the unilateral PVN microinjection of oxytocin (10 ng) or apomorphine (50 ng).
(8) The relative bioavailability of SL apomorphine ranged from 10 to 22% of a parenteral apomorphine dose.
(9) Sleep induction has been studied in humans after the administration of apomorphine, a direct stimulant of the central dopaminergic system.
(10) Apomorphine (Apo), a short acting dopamine (DA) receptor agonist, stimulates growth hormone (GH) secretion, decreases prolactin secretion, induces yawning, penile erections and other physiological effects in man.
(11) of apomorphine or (-) N-n-propylnorapomorphine was increased significantly in the opiate-pretreated mice.
(12) Therefore, there is no evidence as yet that alterations in apomorphine-induced hypothermia after prenatal exposure to PhB indicates changes in DA receptors, and the implications of this phenomenon still remain an open question.
(13) Without shocks, apomorphine-treated rats displayed stereotypy with locomotion and biting of various objects.
(14) Upon administration of low doses of apomorphine and l-amphetamine, less dopamine- and norepinephrine-related behavior occurred with less magnesium in the diet.
(15) The opiate antagonist, naloxone, was used to determine whether endogenous opioids modulate behavioural effects induced by a low dose of apomorphine.
(16) The results suggest that apomorphine-induced gastric relaxation in the dog is mediated via a central site located in the region supplied by the vertebral artery, but that the gastric relaxatory effect of morphine is mediated by both a peripheral and a central site of action.
(17) Apomorphine-induced increase in rearing time was dose-dependently depressed by this antagonist.
(18) Apomorphine showed a high total plasma clearance (165-207 ml min-1 kg-1) and, despite a relatively large volume of distribution (3.4-4.1 litre kg-1), a biological half-life of about 14 min was obtained irrespective of route of administration.
(19) Apomorphine, a dopaminergic agonist was given over a period of 12 months to 14 parkinsonian patients suffering from severe L-dopa induced on-off effects.
(20) Rats with nigral or adrenal suspension grafts, but not rats with adrenal solid grafts, showed reduced apomorphine-induced rotation in comparison with lesion rats.
Narcotic
Definition:
(a.) Having the properties of a narcotic; operating as a narcotic.
(n.) A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, produces stupor, coma, or convulsions, and, when given in sufficient quantity, causes death. The best examples are opium (with morphine), belladonna (with atropine), and conium.
Example Sentences:
(1) The clinical usefulness of neonatal narcotic abstinence scales is reviewed, with special reference to their application in treatment.
(2) Recent research conducted by independent investigators concerning the relationship between crime and narcotic (primarily heroin) addiction has revealed a remarkable degree of consistency of findings across studies.
(3) The interactions of 3 classical alpha-adrenergic antihypertensives of prevalently central type (St 155 or clonidine St 600; BR 750 or guanabenz) with the narcotic effects of pentobarbital have been investigated in the Mus musculus.
(4) We studied the arterial blood gas determinations done on the first hospital day in 14 narcotic addicts with bacterial endocarditis (group 1) and six addicts with other medical complications of narcotic addiction (group 2).
(5) The prostaglandins A1, E1, A2, E2 and F2a were comparatively studied for their antiarrhythmic action using the model of strophanthin arrhythmia of narcotized cats.
(6) Postoperative nausea and vomiting have been associated with the use of intravenous narcotics, and nitrous oxide may worsen the emetic effects of narcotics.
(7) Though intraspinal narcotic analgesia is associated with a number of side effects, with proper knowledge these adverse reactions are wither preventable or can be greatly reduced.
(8) In this open study we reviewed the circadian distribution of extra doses of narcotic analgesics in 61 bed-ridden patients with cancer pain.
(9) In narcotized cats different respiratory reactions in acute myocardial ischemia was estimated with complicated and non-complicated ventricular fibrillation.
(10) Infants prenatally exposed to narcotics become passively addicted in-utero and may undergo neonatal abstinence at birth.
(11) Convergent results from a multimethod assessment of the issue show that methadone maintenance has long-term and short-term suppressive effects on narcotics use and property crime.
(12) The pharmacokinetics of the narcotic analgesic dextromoramide was investigated by means of a specific GC-MS method in 9 patients who were given a single oral dose of the drug (7.5 mg) together with an anticholinergic before undergoing minor orthopedic surgery.
(13) Ethanol-withdrawn animals displayed an increased sensitivity to the narcotic action of toluene.
(14) Their addiction at the time of seeking treatment was well established: narcotic drugs comprised their main daily expenditure, they had numerous problems associated with narcotic use, and high doses of methadone were necessary for detoxification.
(15) These results provide further evidence that narcotic-induced respiratory depression and analgesia are mediated by different receptor interactions.
(16) Hypericum extract enhanced the exploratory activity of mice in a foreign environment, significantly prolonged the narcotic sleeping time dose-dependently, and within a narrow dose range exhibited reserpine antagonism.
(17) In summary, there are now available very potent narcotics, with small side effect liability.
(18) This paper analyses the influence of medical professional organization on the formation of attitudes and policies toward narcotics in England.
(19) Most involved children less than 3 (42%) yr or greater than 12 (33%) yr. Products most commonly ingested included tricyclic antidepressants (22%), benzodiazepines (15%), theophylline (10%), ethanol (10%), hallucinogens (8%), salicylates (8%), narcotics (8%), antihistamines (7%), and carbamazepine (5%).
(20) In this respect the narcotic antagonist effects resemble those produced by the antiserotonin compounds or opiate agonists.