What's the difference between agent and expectorant?

Agent


Definition:

  • (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.

Expectorant


Definition:

  • (a.) Tending to facilitate expectoration or to promote discharges of mucus, etc., from the lungs or throat.
  • (n.) An expectorant medicine.

Example Sentences:

  • (1) Fluidification of sputum with reduction in certain measurements of the viscosity of morning sputum aliquots, associated with improvement in the ability to cough up bronchial secretions, significant increase in sputum volume output, and improvement in ventilation (as estimated by the forced expiratory volume in one second), were observed in both trials as dose-related responses, with an increase in the ease of expectoration and a reduction in cough frequency and dyspnea.
  • (2) Lidocaine recovered in expectorant ranged from 96 to 168 mg.
  • (3) From the above findings, it is indicated that distinct evaluation of the mucolytic actions of expectorants is feasible using porcine gastric mucin.
  • (4) Then, eta' and G' of saliva, bronchorrhoea and mucoid sputum samples were measured between 2 to 4 hours after expectoration.
  • (5) At the end of the tests the development of the most significative symptomatologic parameters has been analysed according to the Wilcoxon test: quantity, kind and characteristics of nasal secretions, nasal obstruction, phlogosis of the nasal and pharyngeal mucosa, hoarseness, difficulty in catarrhal expectoration, hypoacusia, retraction of the tympanic membrane.
  • (6) In two patients, expectorated casts initially were thought to be aspirated food material.
  • (7) It is advisable that microdoses of thyroidine may be included into the multimodality treatment of patients afflicted with acute pneumonia and iodine-containing expectorants excluded from it.
  • (8) Bronchoalveolar lavage (BAL) is the reference diagnostic method, but induced expectoration may be the initial examination, in which case BAL is performed only when the latter fails or gives negative results.
  • (9) Immunotypes 2, 5, 6 and 7 did not vary significantly as far as frequency in the various sources is concerned, with the exception of immunotype 2, which was significantly less frequent in isolates from the expectorated sputum.
  • (10) Methanol extracts of hydrolyzed expectorate samples from workers in a Söderberg potroom were evaluated by the Salmonella reversion assay.
  • (11) Respiratory symptoms (coughs with expectoration) were reported by 24 of the 25 cases.
  • (12) The patients receiving the active treatment showed a statistically and clinically significant improvement of respiratory parameters (cough intensity, sputum quantity, sputum quality, expectoration difficulty).
  • (13) It is based on the rate of oxygen consumption of oral expectorates of milk.
  • (14) The symptoms in order of decreasing frequency were cough, weight loss, expectoration, anorexia, chest pain, dyspnea, weakness, hemoptysis, pneumonia, fever, nausea, vomiting, dizziness, and chills.
  • (15) All patients, undergoing antineoplastic chemotherapy because of acute leukemia, presented with fever and expectoration, which were resistant to various antibiotic regimes.
  • (16) Cough with or without expectoration (98%) and fever (95%) were the commonest symptoms followed by breathlessness (85%) and chest pain (83%).
  • (17) Transtracheal aspiration is not deemed necessary if the patient is expectorating fetid sputum.
  • (18) Chronic obstructive bronchitis is defined as persistent diffuse airways obstruction frequently associated with chronic expectoration.
  • (19) Thirty-four patients, 21 male and 13 female, with chronic asthma and tenacious mucoid expectoration were studied regarding clinical parameters, PEF, airway resistance and sputum viscosity measured according to the n.m.r.
  • (20) Ten subjects classified as Ia (simple bronchoconstriction type) by clinical diagnosis were divided into 6 cases with expectoration of less than 49 ml a day and 4 cases with expectoration of between 50 and 99 ml.

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