(n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
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.
Spasm
Definition:
(v. t.) An involuntary and unnatural contraction of one or more muscles or muscular fibers.
(v. t.) A sudden, violent, and temporary effort or emotion; as, a spasm of repentance.
Example Sentences:
(1) The generally accepted hypothesis is a coronary spasm but a direct cardiotoxicity of 5-FU cannot be.
(2) Oculomotor paresis with cyclic spasms is a rare syndrome, usually noticeable at birth or developing during the first year of life.
(3) The ophthalmic headache's crisis is caused, in fact, by a spasm of convergence on an unknown exophory of which the amplitude of fusion is satisfying, and the presence of which can only be seen with test under screen.
(4) The present case indicates that the possibility of osseous spines impinging on the facial nerve should be considered in all cases of facial spasm.
(5) The coronary arteriography reveals a spasm in the normal left anterior descendens artery.
(6) Increasing awareness of disorders such as coronary arterial spasm, functional impairment of subendocardial blood flow and the possible role of variant patterns of anatomic distribution of the coronary arterial tree, will provide a better understanding of their significance as determining or contributing factors in patients with the anginal syndrome.
(7) Thus one may speculate that endothelin plays a role in the coronary spasm which has been shown in patients with angina pectoris.
(8) in 1937, the arterial spasm may have occurred at the time of cerebral embolism.
(9) Coronary spasm was provoked by ergonovine maleate in four of 12 patients in group A (33%) and in three patients in group B (18%).
(10) In 2 cases, sublingual nitroglycerin failed to completely relieve the spasm.
(11) Furthermore, an association of tiapride-corticoids was effective in treating post-anaesthetic spasm of the glottis.
(12) Case histories of two patients with hypertensive LES and normal peristalsis in the body of the esophagus are contrasted to that of a patient with a hypertensive LES and diffuse esophageal spasm.
(13) Whether they affect ureteral motility in vivo or whether they can counteract ureteral spasm associated with ureteral stones have not been established.
(14) Thrombotic occlusion, in association with varying degrees of plaque disruption and coronary artery spasm, represents the major cause of acute myocardial infarction (AMI).
(15) The patients with spasm on top of a fixed organic lesion underwent a successful aorto-coronary bypass graft together with resection of the pre- and sub-aortic nerve plexus.
(16) In vitro tests with isolated trachea or ileum of guinea pigs show that flupirtine possesses no or very weak antagonism against histamine-induced spasms.
(17) The spasms were inhibited by gallopamil (100 nM) and diltiazem (1 microM).
(18) Indeed this procedure is the only one which can act in a fitted manner on muscular spasms responsible of more than 60% of convergent squints.
(19) Such an exercise response should suggest significant fixed coronary stenosis in addition to coronary spasm.
(20) Evidence is provided for the concept of enlarged spasms (phenomenon of the spastic dominant) common to peptic ulcer.