(a.) Acting; -- opposed to patient, or sustaining, action.
(n.) One who exerts power, or has the power to act; an actor.
(n.) One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.
(n.) An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent.
Example Sentences:
(1) Combinations of maximum amounts of glucagon and the cyclic nucleotide did not produce a greater effect than either agent alone.
(2) Assessment of the likelihood of replication in humans has included in vitro exposure of human cells to the potential pesticidal agent.
(3) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
(4) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
(5) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
(6) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
(7) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(8) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(9) 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.
(10) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
(11) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
(12) The agent present in the serum which causes dissolution of the fibrin clot was isolated and identified as pepsinogen.
(13) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
(14) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
(15) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(16) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
(17) Noradrenaline (NA) was released from sympathetic nerve endings in the tissue by electrical stimulation of the mesenteric nerves or by the indirect sympathomimetic agent tyramine.
(18) Helsby, who joined the estate agent in 1980, saw his basic salary unchanged at £225,000, but gains a £610,000 windfall in shares, available from May, as well as a £363,000 increase in cash and shares under the company profits-sharing scheme.
(19) Combining maximally effective concentrations of each of these stimulating agents produces an additive increase in both the level of 32P incorporation into tyrosine hydroxylase and the degree of activation of the enzyme.
(20) The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently.
Salivant
Definition:
(a.) Producing salivation.
(n.) That which produces salivation.
Example Sentences:
(1) Possible involvement of muscarinic cholinergic neurons in the GTX-III-induced salivation is also suggested.
(2) The change in the magnitude of conditioned salivation, latencies of secretion and motor reaction was temporary, and by the end of the third postoperative period their initial magnitudes were restored.
(3) Salival flux and other salival characteristics are also analyzed.
(4) The bicarbonate concentration in rat parotid saliva increases with increasing flow rates and approximates plasma values at highest salivation.
(5) Those symptoms occurring more frequently in PD patients than in controls included abnormal salivation, dysphagia, nausea, constipation, and defecatory dysfunction.
(6) Excess salivation improved in four subjects on sodium valproate.
(7) Aggressiveness was the most obvious symptom (71%) followed by salivation (48%), paresis and paralysis (28%) and barking (11%).
(8) doses of 0.2 and 2 micrograms capsaicin induced bradycardia, hypertension and salivation but no change in insufflation pressure.
(9) Atropine abolished heat-induced salivation and endocrine kallikrein secretion, possibly through interference with central pathways (P less than 0.05).
(10) All of the clinical signs of milk fever occurred in the experimental model, but there were extra signs (excessive salivation, excessive lip and tongue actions, and tail lifting) which were not present or recorded in naturally occurring cases of hypocalcaemia.
(11) Post-operative complications included clenching of teeth in 5 patients, vomiting in 2 and excessive salivation in 3.
(12) When blood enzyme activities were 70-100% normal, no obvious signs were seen; at 60-70%, salivation occurred; at less than 30-55%, disturbed ventilation and fasciculations were seen, and at 15-30%, convulsions occurred.
(13) Furthermore, acute administration of large doses of pyridostigmine results in salivation and gastrointestinal stimulation well in advance of any impairment of respiratory function.
(14) The salivation was frequently stimulated with citric acid solution, then parotid saliva and mandibular-sublingual saliva were collected separately by means of permanent fistulae.
(15) These results suggest that two distinct neural pathways exist which mediate reflex salivation in the lower brain stem of the rat, i.e., the taste pathway via the NTS and the nociceptive pathway via the trigeminal sensory nuclei.
(16) Five to 10 min after the drug administration, the camels at both dosages showed lacrimation, salivation, trembling, restlessness, frequent urination and defecation, followed by diarrhea.
(17) Adverse effects, such as abdominal colic, nausea, salivation, dizziness, and headache, were seen in almost all the patients in those two groups.
(18) Among the methods of treatment the most severe inhibition of salivation was noted in the group treated with amitriptyline, the least--after NDULECT.
(19) Further, in cats pretreated with ICV reserpine and 6-hydroxydopamine, but not with ICV 5,6-dihydroxytryptamine and hemicholinium, the salivation caused by ICV TRH was abolished.
(20) The results indicate that vasopressin, angiotensin II and neurotensin inhibit the action of substance P on salivation at sites other than the parotid cells.