(n.) A powerful alkaloid, C17H21NO4, obtained from the leaves of coca. It is a bitter, white, crystalline substance, and is remarkable for producing local insensibility to pain.
Example Sentences:
(1) Altogether, 29% of the drivers had evidence of alcohol, marijuana, cocaine, prescription or nonprescription stimulants, or some combination of these, in either blood or urine.
(2) Mechanisms of drug toxicity, i.e., vascular pathology demonstrated from chronic use of cocaine.
(3) With chronic cocaine use, neurotransmitter and neuroendocrine alterations occur.
(4) In pentobarbital-anesthetized rats or in perfused hind paw of rats, the potentiation induced by cocaine and tripelennamine was more marked to norepinephrine than to epinephrine, but an inverse relation between norepinephrine and epinephrine was observed in the potentiation by I and II.
(5) The disposition of radiolabeled cocaine in humans has been studied after three routes of administration: iv injection, nasal insufflation (ni, snorting), and smoke inhalation (si).
(6) When S+ followed cocaine, stereotyped bar-pressing developed with markedly increased responding during the remainder of the session.
(7) The effects were atropine-resistant and qualitatively similar to those seen with cocaine.
(8) Knowing the risks of transporting cocaine from Africa to the US, and given the slim profit margin, “tell me who will be doing that kind of deal?” Chigbo asked.
(9) Cocaine produces simple hallucinations, PCP can produce complex hallucinations analogous to a paranoid psychosis, while LSD produces a combination of hallucinations, pseudohallucinations and illusions.
(10) Inhibition of DNA synthesis by cocaine in developing brain was not secondary to ischemia, nor to local anesthesia, as alpha-adrenergic blockade with phenoxybenzamine afforded no protection, and lidocaine could not substitute for cocaine.
(11) Cocaine, 3 microM, shifted the noradrenaline concentration response curve to the left about 0.4 log units in all renal vessel groups, thus renal vascular smooth muscle sensitivity to noradrenaline was significantly greater in vessels from rats receiving CyA than in vessels from control rats.
(12) Similarities and differences in the sensitization induced by cocaine and amphetamine (which are though to have different mechanisms of actions although common behavioral outcomes) have not been thoroughly studied.
(13) However, they do indicate that cocaine is only a weak aversion-inducing agent.
(14) Driving-under-the-influence (DUI) offenders with either alcohol- or cocaine-related problems were studied.
(15) The cardiac risk of cocaine body packing was studied by means of continuous ECG monitoring in 13 cocaine body-packers during spontaneous elimination.
(16) We present a 16-year-old with chest pain temporally related to cocaine use and discuss the relationship between cocaine use and acute myocardial infarction that has been seen in the adult population.
(17) Both acute and chronic cocaine treatments significantly increased plasma concentrations of corticosterone and reduced the ratios of 3,4-dihydroxyphenylacetic acid to dopamine and 5-hydroxyindoleacetic acid to serotonin in several brain regions.
(18) Daily cocaine injection into rodents produces a progressive increase in the motor stimulant effect of acute cocaine administration.
(19) The nine cocaine users, when compared with 14 insulin-dependent diabetics on dialysis matched by protocol, were found to be similar in terms of diabetic retinopathy and metabolic neuropathy.
(20) In view of recent reports demonstrating that illicit cocaine use may cause rhabdomyolysis, we reviewed the collective experience of a university-affiliated medical center to identify patients with cocaine-induced rhabdomyolysis.
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.