(n.) One who contends with another, especially in combat; an adversary; an opponent.
(n.) A muscle which acts in opposition to another; as a flexor, which bends a part, is the antagonist of an extensor, which extends it.
(n.) A medicine which opposes the action of another medicine or of a poison when absorbed into the blood or tissues.
(a.) Antagonistic; opposing; counteracting; as, antagonist schools of philosophy.
Example Sentences:
(1) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
(2) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(3) Meanwhile the efficiency of muscarinic antagonists in inhibition of tremor reaction induced by arecoline administration is associated with interaction between the drugs and the M2-subtype.
(4) The anticonvulsant properties of the endogenous excitatory amino acid antagonist, kynurenic acid (KYA), were studied in prepubescent and adult rats using the amygdaloid kindling model of epilepsy.
(5) A novel bicyclic prostaglandin analogue, (1S)-[1 alpha,2 alpha(Z),3 alpha,4 alpha]-7-[3-[(hexylthio)methyl]-7- oxabicyclo [2.2.1]hept-2-yl]-5-heptenoic acid ((-)-10), and its cogeners were found to be potent antagonists at the TxA2 receptor.
(6) This difference was abolished by exposure of the slices to propranolol, a beta-adrenergic receptor antagonist.
(7) The TxA2 antagonistic effects of KW-3635 were compared with that of daltroban in PRP from various animals species.
(8) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
(9) Similarly, 50 microM D-600, a Ca+2 channel antagonist, significantly (P less than 0.01) reduced basal and 5-HETE-induced PRL release.
(10) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
(11) The second experiments entailed use of the nonspecific opiate antagonist, naloxone, as well as the specific delta antagonist, ICI 154,129, against seizures induced by icv-administered morphine, morphiceptin, DADL, or DSLET.
(12) These antagonists reverse NMDA-mediated long term influence in these brain areas.
(13) This novel mechanism of receptor regulation, named transmodulation, should be distinguished from the reduction in total receptor number caused by the homologous ligand (downregulation) and from the change in affinity produced by the binding of agonists or antagonists to the same receptor site.
(14) Furthermore, the ability of a vasopressin antagonist to lower arterial pressure in NTS hypertensive rats was markedly attenuated by clonidine treatment.
(15) All of the serotonergic antagonists studied had additional effects on the response of the coronary artery to electrical stimulation or to norepinephrine.
(16) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
(17) The effects of low doses of dihydropyridine (DHP) calcium channel antagonists nimodipine, nifedipine, (-)-R-202-791, and amlodipine, the DHP calcium channel agonist BAY K 8644 were investigated on clonic convulsions to pentylenetetrazole (PTZ) in mice.
(18) Addition in the cultures of 4-deoxypyridoxine, a potent antagonist of vitamin B6 coenzymes, concurrently with the mitogen, inhibits the induction of serine hydroxymethyltransferase.
(19) These results suggest that prevention of xenograft rejection using PAF-antagonist in association with other methods should be further investigated.
(20) The high concentrations of gonadotropins present in immature female rats by the end of the second week of life were suppressed by treatment with an antagonist against luteinizing hormone-releasing hormone (LHRH-A; Org.
Character
Definition:
(n.) A distinctive mark; a letter, figure, or symbol.
(n.) Style of writing or printing; handwriting; the peculiar form of letters used by a particular person or people; as, an inscription in the Runic character.
(n.) The peculiar quality, or the sum of qualities, by which a person or a thing is distinguished from others; the stamp impressed by nature, education, or habit; that which a person or thing really is; nature; disposition.
(n.) Strength of mind; resolution; independence; individuality; as, he has a great deal of character.
(n.) Moral quality; the principles and motives that control the life; as, a man of character; his character saves him from suspicion.
(n.) Quality, position, rank, or capacity; quality or conduct with respect to a certain office or duty; as, in the miserable character of a slave; in his character as a magistrate; her character as a daughter.
(n.) The estimate, individual or general, put upon a person or thing; reputation; as, a man's character for truth and veracity; to give one a bad character.
(n.) A written statement as to behavior, competency, etc., given to a servant.
(n.) A unique or extraordinary individuality; a person characterized by peculiar or notable traits; a person who illustrates certain phases of character; as, Randolph was a character; Caesar is a great historical character.
(n.) One of the persons of a drama or novel.
(v. t.) To engrave; to inscribe.
(v. t.) To distinguish by particular marks or traits; to describe; to characterize.
Example Sentences:
(1) Moments later, Strauss introduces the bold human character with an energetic, upwards melody which he titles "the climb" in the score.
(2) In high concentrations of antiserum, some of the agglutinated cells of L. h. hertigi were enlarged and showed syncytial characters that included up to five nuclei, two dividing nuclei and five basal bodies associated with a single kinetoplast.
(3) Recently, it has been proposed that beta-adrenergic receptors of rat fat cells are neither beta 1 nor beta 2 in character but rather an 'isoreceptor,' 'hybrid,' or 'beta 3' [Br.
(4) The Nazi party’s office of racial purity claimed that the Jewish character was essentially drug-dependent.
(5) This paper discusses the relationship between the psychoanalytic concept of character and the moral considerations of 'character'.
(6) One-hundred characters were derived from morphological features, physiological and biochemical activities and SEM micrographs.
(7) Diagnosis based on the character of the stridor alone is tenuous, and consideration of presentation other than the stridor is discussed in the management of these infants.
(8) The determining component of daily energy consumption is energy consumption during the working period the value of which depends on the character of working activity and duration of the working shift.
(9) However, these proskinetic symptoms appeared to be a character trait of an infantile personality rather than a condition following as a consequence of psychosis.
(10) At higher concentrations of burimamide, inhibition curves showed distinct evidence of departure from competitive character for both guinea pig and rabbit atria.
(11) The whole film is primarily shown from the character's perspective, so 70% of the process involved working with the director of photography [Maxime Alexandre].
(12) These last specialized characters are observed, on the contrary, in species parasitic in Lagomorpha.
(13) Little deficit in total mesodermal cell number was found, though the entire mesoderm adopted the histological character proper to only some 40% of that in the normal pattern i.e.
(14) And Pippi Longstocking, her most famous character, comes really close to being the personified proof of that… So where did Pippi come from?
(15) The character was wild and dangerous, psychotic but alluring.
(16) Some of the viruses could be differentiated from each other (especially in C. quinoa) by other characters, such as the accumulation of membranes in cell nuclei, or the type of organelle (chloroplasts, mitochondria or peroxisomes) from which multivesicular bodies developed.
(17) The term phlegmonous enterocolitis or gastritis defines an acute inflammatory process with purulent or nonpurulent character, that selectively damages the gastric, small and large intestines submucosal layer.
(18) I think a long time ago television passed up movies in terms of a reasonable and balanced portrayal of gay characters.
(19) With grievous amazement, never self-pitying but sometimes bordering on a sort of numbed wonderment, Levi records the day-to-day personal and social history of the camp, noting not only the fine gradations of his own descent, but the capacity of some prisoners to cut a deal and strike a bargain, while others, destined by their age or character for the gas ovens, follow "the slope down to the bottom, like streams that run down to the sea".
(20) I still can’t figure out who this is aimed at: I’m imagining characters who think they’re in Wolf of Wall Street, with such an inflated sense of entitlement that even al desko meals need to come with Michelin tags.