(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.
Lethargic
Definition:
(a.) Alt. of Lethargical
Example Sentences:
(1) Neurological examination revealed a lethargic man with good orientation to three spheres.
(2) These pigs also seemed more lethargic than controls and appeared sedated.
(3) On the other hand, the patient was noticed lethargic and showed parkinsonism i.e., rest tremor, cog-wheel rigidity, and hypokinesia.
(4) Physically, the patient appeared lethargic, and breathing sounds revealed diffuse rales and wheezing.
(5) Only miracidia classified as "active" or "slow" were capable of penetration, a capacity they retained for about 17 hours at 19 degrees C. Miracidia that were "lethargic" as a result of low temperature, old age or ultra-violet radiation lost their infective capacity.
(6) The colchicine-treated rats were lethargic and hypothermic as compared to controls.
(7) For the most part, however, this was a night when some familiar old failings could be detected in terms of England looking lethargic in possession.
(8) "People are now lethargic and listless because of starvation.
(9) Considered to be intoxicated from the acute effects of sniffing toluene or methylene chloride, the patient remained lethargic and ataxic despite removal from exposure and administration of supplemental oxygen.
(10) Upon presentation to the ED approximately 2.5 hr post-ingestion, the child was very lethargic and respirations were depressed.
(11) The child remained lethargic for several hours but otherwise had a normal neurological examination.
(12) The Gijon goalkeeper Ivan Cuellar was on fine form, particularly against Ronaldo, while Real’s approach play looked lethargic and too many passes went astray.
(13) A comfortable win was secured early here with Eddie Howe’s team, rightly lauded for their own achievements this season and previously unbeaten away this calendar year, made to look uncharacteristically timid, even lethargic at times, as Spurs swarmed all over them.
(14) Case 1: A 48-year-old woman, who complained of severe headache and vomiting on Feb. 10th, 1972, gradually became lethargic.
(15) Infected dogs were anorectic and lethargic and developed cutaneous lesions characteristic of Rocky Mountain spotted fever, including petechia, ecchymosis, edema, and necrosis.
(16) Lunch had an effect on mood, with subjects feeling more lethargic, feeble, clumsy, muzzy, dreamy, bored and mentally slow after the meal.
(17) Ataxia was not prominent in animals affected with transmissible mink encephalopathy; these animals gradually became more and more lethargic.
(18) On this day, though, the atmosphere became increasingly lethargic as the game wound down and Chelsea went out of the cup.
(19) This was one of their most convincing performances of the season, although it must be said that an uncharacteristically lethargic Everton contributed to their own downfall.
(20) These animals became lethargic, slouched and developed dyspnoea which became progressively more severe during the course of the study.