(n.) A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.
(n.) A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.
(n.) A central point; a point of concentration.
(v. t.) To bring to a focus; to focalize; as, to focus a camera.
Example Sentences:
(1) Work on humoral responses has focused on lysozyme, the hemagglutinins (especially in the oyster), and the clearance of certain antigens.
(2) Family therapists have attempted to convert the acting-out behavioral disorders into an effective state, i.e., make the family aware of their feelings of deprivation by focusing on the aggressive component.
(3) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
(4) Focusing on two prospective payment systems that operated concurrently in New Jersey, this study employs the hospital department as the unit of analysis and compares the effects of the all-payer DRG system with those of the SHARE program on hospitals.
(5) The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently.
(6) This study reports the analysis of a transvestite man through focusing on his marital interaction and his wife's complementary behavior to his perversion.
(7) Subsequent isoelectric focusing in sucrose revealed an isoelectric point of 9.0-9.2.
(8) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
(9) Other recommendations for immediate action included a review of the Nursing and Midwifery Council and the General Medical Council for doctors, with possible changes to their structures; the possible transfer of powers to launch criminal prosecutions for care scandals from the Health and Safety Executive to the Care Quality Council; and a new inspection regime, which would focus more closely on how clean, safe and caring hospitals were.
(10) For enrolled nurses an increase in "Intrinsic Job Satisfaction" was less well maintained and no differences were found over time on "Patient Focus".
(11) Isoelectric points for two normal liver isoenzymes demonstrable by isoelectric focusing are pH5.9 and 6.0.
(12) "As part of this de-leveraging process, the group will also focus on eliminating any loss-making businesses."
(13) Serum and pituitary gonadotropins, hypothalamic luteinizing hormone-releasing hormone (LHRH), and the profile of FSH forms across the isoelectric focusing gel were determined by radioimmunoassay.
(14) However, the City focused on the improvement in the fortunes of its Irish business, Ulster bank, and its new mini bad bank which led to a 1.8% rise in the shares to 368p.
(15) The primary focus of both nonpharmacologic and pharmacologic therapy should be to control systemic blood pressure in a simple, affordable, and nontoxic fashion that provides an adequate quality of life.
(16) Proper function of proteinases such as PA may require focusing of activity on a cellular level.
(17) The organisation initially focused on education, funding the Indian company BYJU’s, which helps students learn maths and science, and the Nigerian company Andela, which trains African software developers.
(18) Inclusion-forming and non-inclusion-forming elementary bodies focused in one band at pI 4.64.
(19) This review focused on the methods used to identify language impairment in specifically language-impaired subjects participating in 72 research studies that were described in four journals from 1983 to 1988.
(20) Network #5 conducted a pilot study of state survey results to profile data for Medical Review Board (MRB) analysis and to identify potential areas where educational activities could be focused.
Stimulate
Definition:
(v. t.) To excite as if with a goad; to excite, rouse, or animate, to action or more vigorous exertion by some pungent motive or by persuasion; as, to stimulate one by the hope of reward, or by the prospect of glory.
(v. t.) To excite; to irritate; especially, to excite the activity of (a nerve or an irritable muscle), as by electricity.
Example Sentences:
(1) Stimulation of human leukocytes with various chemical mediators such as TPA, f-Met-Leu-Phe, LTB4, etc.
(2) The optimal size for stimulation was between 5 degrees and 12 degrees (visual angle).
(3) 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.
(4) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(5) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
(6) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
(7) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
(8) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
(9) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
(10) Whether hen's egg yolk can be used as a sperm motility stimulant in the treatment of such conditions as asthenospermia and oligospermia is subjected for further study.
(11) Some of those drugs are able to stimulate the macrophages, even in an aspecific way, via the gut associated lymphatic tissue (GALT), that is in connection with the bronchial associated lymphatic tissue (BALT).
(12) The results also suggest that the dispersed condition of pigment in the melanophores represents the "resting state" of the melanophores when they are under no stimulation.
(13) dl-Methionine stimulated the synthesis of cephalosporins when added after the growth phase.
(14) Bradykinin also stimulated arachidonic acid release in decidual fibroblasts, an effect which was potentiated in the presence of epidermal growth factor (EGF), but which was not accompanied by an increase in PGF2 alpha production.
(15) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(16) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
(17) Estimates of potential for gastrointestinal side effects using the rat enteropooling assay and in vivo monkey effects indicate that diarrhea will be substantially reduced with retention of uterine stimulating potency.
(18) Because it has been suggested that the lathyrogen, BAPN, may stimulate the release of proteases, the protease inhibitors Trasylol and epsilon-aminocaproic acid (EACA) were given alone or in combination to BAPN-treated rats.
(19) The present study was designed to test the hypothesis that the decreased Epi response following ET was due to 1) depletion of adrenal Epi content such that adrenomedullary stimulation would not release Epi, 2) decreased Epi release with direct stimulation, i.e., desensitization of release, or 3) decreased afferent signals generated by ET itself.
(20) Stimulation of atrial H1-receptors is suggested to directly cause an increase in Ca-channel conductance independent of intracellular cAMP content.