(a.) Having the power or quality of acting; causing change; communicating action or motion; acting; -- opposed to passive, that receives; as, certain active principles; the powers of the mind.
(a.) Quick in physical movement; of an agile and vigorous body; nimble; as, an active child or animal.
(a.) In action; actually proceeding; working; in force; -- opposed to quiescent, dormant, or extinct; as, active laws; active hostilities; an active volcano.
(a.) Given to action; constantly engaged in action; energetic; diligent; busy; -- opposed to dull, sluggish, indolent, or inert; as, an active man of business; active mind; active zeal.
(a.) Requiring or implying action or exertion; -- opposed to sedentary or to tranquil; as, active employment or service; active scenes.
(a.) Given to action rather than contemplation; practical; operative; -- opposed to speculative or theoretical; as, an active rather than a speculative statesman.
(a.) Brisk; lively; as, an active demand for corn.
(a.) Implying or producing rapid action; as, an active disease; an active remedy.
(a.) Applied to a form of the verb; -- opposed to passive. See Active voice, under Voice.
(a.) Applied to verbs which assert that the subject acts upon or affects something else; transitive.
(a.) Applied to all verbs that express action as distinct from mere existence or state.
Example Sentences:
(1) Tryptic digestion of the membranes caused complete disappearance of the binding activity, but heat-treatment for 5 min at 70 degrees C caused only 40% loss of activity.
(2) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(3) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
(4) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(5) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
(6) The antiarrhythmic activity similar to that of quinidine (with ca.
(7) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(8) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(9) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(10) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(11) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(12) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(13) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(14) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(15) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(16) This difference was not due to ATPase activity in the assay.
(17) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(18) Both the vitellogenesis and the GtH cell activity are restored in the fish exposed to short photoperiod if it is followed by a long photoperiod.
(19) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(20) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
Brisk
Definition:
(a.) Full of liveliness and activity; characterized by quickness of motion or action; lively; spirited; quick.
(a.) Full of spirit of life; effervesc/ng, as liquors; sparkling; as, brick cider.
(v. t. & i.) To make or become lively; to enliven; to animate; to take, or cause to take, an erect or bold attitude; -- usually with up.
Example Sentences:
(1) Usually the focus driving the cell most briskly was located in one of the contralateral limbs and corresponded to the limb where muscle contraction was elicited by microstimulation with the same electrode.
(2) An increased mortality is recorded after its brisk rise (in particular after potent proton phenomena) and paradoxically also in case of very low density value.
(3) Polymyalgia rheumatica and giant cell arteritis are diseases which are characterized by a brisk acute phase response.
(4) For LH, basal levels were not different among each group, nor was there any difference in response to GnRH at any point in time after injection; however, there was a trend for the azoospermic group to respond more briskly.
(5) There was an improvement in body temperature within six hours of the first dose; this was accompanied by a brisk fall in serum CPK and cholesterol with a rapid rise of plasma T3 into the euthyroid range.
(6) The briskness of the response during tachycardia may also be a marker for underlying carotid sinus hypersensitivity.
(7) The identification of multiple receptor subtypes for 5-hydroxytryptamine (5-HT) made by using radioligand binding techniques proliferated at a brisk rate in the 1980s.
(8) Add the broth to the pot and briskly simmer the mixture over medium to medium-low heat for about 2 hours for all the flavours to come together and mellow.
(9) Water immersion to the neck for 2 h caused a brisk diuresis, natriuresis and raised plasma ANP in 8 healthy subjects, suggesting that ANP is a mediator of diuresis and natriuresis during immersion.
(10) In adult humans the ventilatory response to sustained hypoxia (VRSH) is biphasic, characterized by an initial brisk increase, due to peripheral chemoreceptor (PC) stimulation, followed by a decline attributed to central depressant action of hypoxia.
(11) A brisk increase in plasma prolactin levels occurred in normal subjects during the administration of chlorpromazine and thyroid stimulating hormone releasing factor (TRH).
(12) These data indicate that an exercise intensity achievable by brisk walking (7.4 kph) is sufficient to evoke significant but short-term changes in serum HDL3-C concentrations in women.
(13) A brisk intraocular and systemic IgE antibody response followed the secondary intravitreal injection of either live or heat-killed larvae into animals systemically infected with A. suum.
(14) The effect of eyeball pressure on the heart rate was measured in 65 babies and was found to cause a brisk drop in heart rate in 32 babies.
(15) In the ferret, as in other species, two types of lateral geniculate neurone could be distinguished, and we have termed these X-cells and Y-cells; both groups responded briskly to visual stimulation but X-cells gave sustained and linear responses whereas Y-cells responded transiently and non-linearly.
(16) Of three methods studied, brisk shaking of samples in dilution blanks by hand and homogenization by a stomacher were compared relative to their capacity to recover the endotoxins and viable bacteria; blending with a Waring blender was compared with these two methods only on the recovery of viable cells.
(17) They discharged most briskly before visually guided eye movements, but also discharged before purposive eye movements made in darkness and responded to visual stimuli in the absence of saccades.
(18) But it is all merely worthless and meaningless froth while the city council permits a gateway to hell to do brisk business just a few streets away.
(19) Because it was 95 degrees and sunny, and because we were standing in a shadeless parking lot in the height of the afternoon, vendors selling bottled water were doing a brisk business.
(20) In the case presented, healing was brisk and complete, allowing early elbow mobilization.