(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.
Stasis
Definition:
(n.) A slackening or arrest of the blood current in the vessels, due not to a lessening of the heart's beat, but presumably to some abnormal resistance of the capillary walls. It is one of the phenomena observed in the capillaries in inflammation.
Example Sentences:
(1) The main objective of these experiments was to develop and characterize a new experimental model of venous thrombosis, and determine whether a combination of vascular wall damage (crushing with hemostat clamps) and prolonged stasis produced more reproducible clots than prolonged stasis per se.
(2) This retrospective study of forty-six patients with stasis dermatitis found a 60.9 percent incidence of at least one significantly positive patch test reaction.
(3) Therefore, it appears that other processes, such as aggregation or stasis within tissues, may well be related to initiation of stone disease.
(4) Histological examination of the liver, spleen and kidneys showed congestion and stasis of blood in them, especially in glomerular vessels.
(5) Sixty-one patients had faecal stasis and 23 patients had diverticular disease.
(6) Escin was tested in the stasis edema, cotton-pellet-granuloma, and UV-erythema, i.e., in test models which seem specially suited to characterize the properties of this substance.
(7) In all burn wounds, there exists a zone of stasis which shows progressive microvascular deterioration.
(8) Intestinal stasis and mixing of urine and meconium may be predisposing factors for the calcification of meconium.
(9) The stasis of pancreatic juice in the ductal tree may result in such findings in the WHHL rabbit.
(10) The Fc-R+ and C3b-R+ mononuclear nonadherent cells were less represented in lymph in chronic stasis than in normals.
(11) In orthopaedic patients, DIC can develop following trauma (crush injuries), tissue necrosis, fat embolism, gram-negative or gram-positive sepsis, and venous stasis (bedrest).
(12) The pathological findings included intestinal stasis, intestinal blockage, acute intestinal rupture and intestinal rupture with peritonitis.
(13) The release of proinflammatory and vasoactive mediators such as leukotrienes (LT), thromboxanes, platelet activating factor (PAF), endothelins and others has been thought to be involved in the pathomechanism of mucosal injury, especially damage to the microvascular endothelium, increased vascular permeability, reduction in mucosal blood flow, vascular stasis, tissue ischemia and glandular cell necrosis.
(14) The plethysmographic measurement of the back flow apart from the phlebography of the arm is recommended for the diagnosis and control of the course of the stasis of the axillary vein.
(15) Chronic idiopathic gastric stasis can be responsible for unexplained dyspepsia.
(16) The diagnosis can be made by demonstrating abrupt cutoff of veins in the cavernous region, preferred retrograde flow of the anterior cavernous sinus, direct venous hemorrhage, and venous stasis.
(17) Sampling conditions (venous stasis, body position) contribute as does the handling of the blood sample before it reaches the laboratory, for example whether an anticoagulant is used and haemolysis, clearly meals have a major effect on serum triglycerides, but even when fasting there is probably also diurnal variation.
(18) There seems to be little evidence for permanent liver damage but very definite evidence for bile stasis and transient morphological changes.
(19) This reduction in flow is probably due to stasis in these superficial vessels, perhaps secondary to vascular damage.
(20) This haemoconcentrating effect of venous stasis seemed to be more pronounced in females than in males.