(a.) Having power to react; tending to reaction; of the nature of reaction.
Example Sentences:
(1) At the early phase of the sensitization a T-cell response was seen in vitro, characterized by an increased spleen but no peripheral blood lymphocyte reactivity to T-cell mitogens at the same time as increased reactivity to the sensitizing antigen was detected.
(2) Trifluoroacetylated rabbit serum albumin was 5 times more reactive with these antibodies and thus more antigenic than the homologous acetylated moiety confirming the importance of the trifluoromethyl moiety as an epitope in the immunogen in vivo.
(3) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
(4) Some S-100 reactive cells previously interpreted as tumour cells were refound in a few tumours.
(5) This clinical improvement was also associated with a decrease of erythrocyte sedimentation rate (p less than 0.001), decrease of C-reactive protein (p less than 0.0001) and with improvement of anaemia (p less than 0.05).
(6) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(7) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
(8) Most of the radioactivity in spleen cells from these rats were associated with antigen-reactive cells which formed rosettes specifically with HO erythrocytes.
(9) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
(10) Reactive metabolites which suppress splenic humoral immune responses are thought to be generated within the spleen rather than in distant tissues.
(11) Brain damage may be followed by a number of dynamic events including reactive synaptogenesis, rerouting of axons to unusual locations and altered axon retraction processes.
(12) We recently demonstrated that functional change in SSI was possible simply by replacing the amino acid residue at the reactive P1 site (methionine 73) of SSI.
(13) We have evaluated the life-span of B lymphocytes by measuring the functional reactivity of normal B cells upon transfer into xid mice, which do not respond to anti-mu, fluoresceinated-Ficoll (FL-Ficoll) and 2,4,6-trinitrophenyl aminoethylcarbamylmethyl Ficoll (TNP-Ficoll).
(14) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(15) The younger patients more often experienced an acute arthritis with sacroiliitis resembling a reactive disease.
(16) Cytolytic T lymphocytes lysing virus-infected and uninfected myocytes and heart-reactive autoantibodies occur in both myocarditis-susceptible strains.
(17) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
(18) One hundred and ninety-nine children aged 7-14 and 177 adolescents in remission and minimal manifestations of rheumatoid arthritis (RA) were examined before and after fangotherapy with allowance for activity of the process, age-related reactivity.
(19) These data suggest that submaximal exercise and cold air exposure enhance nonspecific bronchial reactivity in asthmatic but not in normal subjects.
(20) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
Resistance
Definition:
(n.) The act of resisting; opposition, passive or active.
(n.) The quality of not yielding to force or external pressure; that power of a body which acts in opposition to the impulse or pressure of another, or which prevents the effect of another power; as, the resistance of the air to a body passing through it; the resistance of a target to projectiles.
(n.) A means or method of resisting; that which resists.
(n.) A certain hindrance or opposition to the passage of an electrical current or discharge offered by conducting bodies. It bears an inverse relation to the conductivity, -- good conductors having a small resistance, while poor conductors or insulators have a very high resistance. The unit of resistance is the ohm.
Example Sentences:
(1) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
(2) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
(3) Fifty-six percent of Lac+ transconjugants were resistant to the S. cremoris M12R lytic phage.
(4) 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.
(5) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
(6) Results indicated a .85 probability that Directive Guidance would be followed by Cooperation; a .67 probability that Permissiveness would lead to Noncooperation; and a .97 likelihood that Coerciveness would lead to either Noncooperation or Resistance.
(7) The C3bi receptor on these cells, CR3, is resistant to elastase.
(8) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(9) One thing seems to be noteworthy in their opinion: the bacterial resistance of the germs isolated from the urine is bigger than the one of the germs isolated from the respiratory apparatus.
(10) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
(11) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(12) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
(13) The penicillin-resistant Enterococcus hirae R40 has a typical profile of membrane-bound penicillin-binding proteins (PBPs) except that the 71 kDa PBP5 of low penicillin affinity represents about 50% of all the PBPs present.
(14) Cop rats, however, possess a single 'suppressor' gene which confers complete resistance to mammary cancer.
(15) Both development of EDTA-resistant fibrinogen binding and fibrinogen association with the cytoskeleton were time dependent and reached maxima 45 to 60 minutes after fibrinogen binding to stimulated platelets.
(16) An inverse relationship between the pumping capacity of the heart and vascular resistance was confirmed at different stages of examination and treatment of the patients.
(17) This mobilization procedure allowed transfer and expression of pJT1 Ag+ resistance in E. coli C600.
(18) One rat strain (TAS) is susceptible to the anticoagulant and lethal effects of warfarin and the other two strains are homozygous for warfarin resistance genes from either wild Welsh (HW) or Scottish (HS) rats.
(19) Resistant mutants can be isolated only at concentrations of 1 M allylalcohol in the medium.
(20) A murine keratinocyte cell line that is resistant to the growth-inhibitory effects of transforming growth factor beta 1 (TGF beta 1) was examined for differential gene expression patterns that may be related to the mechanism of the loss of TGF beta 1 responsiveness.