(v. t.) To make otherwise; to change in some respect, either partially or wholly; to vary; to modify.
(v. t.) To agitate; to affect mentally.
(v. t.) To geld.
(v. i.) To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure.
Example Sentences:
(1) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
(2) The process of sequence rearrangement appears to be a significant part of the evolution of the genome and may have a much greater effect on the evolution of the phenotype than sequence alteration by base substitution.
(3) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
(4) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
(5) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
(6) Incubation with IFN alpha or IFN gamma for 24 h resulted in only modest cytokinetic alterations, and they did not modify the effects of FUra.
(7) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(8) In dorsoventral (DV) reversed wings at both shoulder or flank level, the motor axons do not alter their course as they enter the graft.
(9) Neither spermidine nor spermine (0.5 mM) significantly altered [Ca2+]i.
(10) In addition to the changes associated with blood group A, we also found a decrease in sugar content, alterations in other antigens, and changes in the levels of several glycosyltransferases in cancerous tissues.
(11) When the concentration of thrombin or fibrinogen was altered systematically, mu T and mup were found to mirror each other except when the fibrinogen concentration was increased at low thrombin concentrations.
(12) Arteries treated with atrial natriuretic peptide showed no alterations in relaxation or cGMP content after incubation with pertussis toxin.
(13) These results could be explained by altered tissue blood flow and a decreased metabolic capacity of the liver in obese subjects.
(14) The sequential histopathologic alterations in femorotibial joints of partial meniscectomized male and female guinea pigs were evaluated at 1, 2, 3, 6, and 12 weeks post-surgery.
(15) However, survival was closely related to the severity of the illness at the time of randomization and was not altered by shunting.
(16) Brain damage may be followed by a number of dynamic events including reactive synaptogenesis, rerouting of axons to unusual locations and altered axon retraction processes.
(17) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
(18) Sixteen patients (27%) manifested anomalies of the urinary tract: 12 had markedly altered kidneys, 8 of which were unilateral and ipsilateral to the diaphragmatic defect.
(19) Corticosterone (4 x 10(-5) M) did not alter the stimulation-evoked 3H-overflow at 1-30 Hz.
(20) The results show that the presence of histones does not alter the bimodal DNA binding process.
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.