(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.
Ament
Definition:
(n.) A species of inflorescence; a catkin.
Example Sentences:
(1) The independence of the amentive syndrome is also grounded by clinico-pathological data (EEG and biochemical).
(2) It is demonstrated that the amentive syndrome in such cases has certain nozological information, which facilitates significantly a differential diagnosis.
(3) Among 97 patients studied 25 showed amentive states.
(4) They were expressed in atypical delirious, delirio-amentive and amentive conditions.
(5) Two patients were still amented and often attacked by myoclonus.
(6) Pathogenetic possibilities of uremic toxicosis, depending upon the intensity and severity of which the amentive symptomatology may develop in different ways is discussed.
(7) Out of 908 patients with sepsis treated at the Republican Antisepsis Center, 19 presented with different schizophrenia syndromes (2 with acute delirium, 3 with encephalic manifestations, 3 with the amentive-catatonic form, the remainder with the amentive-depressive form).
(8) On selected case-histories the most frequent difficulties are demonstrated--ament conditions, depressive syndrome and attempts to find an optimal preparation before hospitalisation of old people.
(9) Histological sections and impression smears (AMENT) of intestinal mucosa biopsies have been proved to be the most reliable method for detecting giardiasis.
(10) The paper concerns the results of 30 years of investigations of the Kiev Research Institute of Neurosurgery into correlations between syndromes of mental activity reduction (coma, stupor, global and lacunar dementias, Alzheimer-like and Pick-like syndromes, personality changes by the frontal type, stable neurosis-like conditions, Korsakov's syndrome, disturbed consciousness by the amentive type) in patients with organic brain lesions and objectively recordable changes in cerebral hemodynamics.
(11) The paper contains some results of a clinico-psychopathological analysis of the amentive syndrome in patients with nephrogenic psychoses.
(12) On the basis of long-term clinical observations of patients with amentive states within the framework of somatogenic, infectious, intoxicational, vascular exogenous-organic, reactive and schizophrenic psychoses the author attempts to claim the nosological independence of the amentive syndrome.
(13) The dynamical clinical picture of psychosis may include during one of the stages of its development a delirious-amentive syndrome, short-time amentive states and oniric experiences.