What's the difference between insignificant and null?

Insignificant


Definition:

  • (a.) Not significant; void of signification, sense, or import; meaningless; as, insignificant words.
  • (a.) Having no weight or effect; answering no purpose; unimportant; valueless; futile.
  • (a.) Without weight of character or social standing; mean; contemptible; as, an insignificant person.

Example Sentences:

  • (1) Regression curves indicate that although all three types of pulmonary edema can be characterized by slightly different slopes, the differences are statistically insignificant.
  • (2) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
  • (3) The method of preparative isotachophoresis in acrylamide gel ensuring a high yield of IgD and IgE with insignificant admixtures of IgG, etc.
  • (4) The regional distribution of the receptor showed insignificant species differences.
  • (5) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
  • (6) There was found an insignificant prevalance of the antibody avidity in the patients with the forms of the disease of moderate severity and severe.
  • (7) Injection of albumin-colloidal gold conjugates resulted in an insignificant uptake.
  • (8) The cardiac output decreased slightly in the low affinity group, and increased slightly but insignificantly in the high affinity group.
  • (9) Since cholinergic transmission is probably insignificant in the cerebellar cortex, the esterase itself might serve as a transmitter or modulator.
  • (10) The evaluation of our data showed insignificant complications up to a total activity of 28 mCi, slight or medium complications between 28 and 35 mCi, and severe complications between 35 and 40 mCi.
  • (11) The results showed a significant rise in arterial free fatty acids concentration and an insignificant increase in adipose-tissue free fatty acids.
  • (12) No effect of components of human diploid cells homogenate and an insignificant effect of blood serum components on kinetic constants of LDG isoenzymes is registered.
  • (13) Whole body tilt from supine to 45 degrees head-up was associated with increased heart rate and an insignificant rise in MABP in both groups, although a rise in plasma AVP occurred in control subjects only.
  • (14) Mann-Whitney U-tests showed that during the 7 years of highest wine consumption the highest rates for breast cancer occurred for females aged 30--59 years, but for women over 60 years of age the result was insignificant.
  • (15) Recent clinical studies on secretion of atenolol, propranolol, propoxyphene, phenytoin, carbamazepine, and valproic acid in breast milk showed that the infant ingested dose was insignificant.
  • (16) When the combination of symptoms were introduced into the regression model, the effect of wheezing became insignificant.
  • (17) By assuming that repopulation of late-responding tissues is insignificant during normal treatment regimes it is possible to use the method to assess the broader implications for treatment strategies in terms of the behaviour of the Extrapolated Response Dose (ERD).
  • (18) The protein efficacy of the krill meat slightly decreases in the course of canned food sterilization, However, their biological value remains high, being inferior to casein but insignificantly.
  • (19) The results showed that 1) IL-1 beta induced a significant increase in PGE2 levels in the OVLT and the medial part of the MPOA in the first 20 min, which is more rapid and to a greater extent than that in PVN, HPC, and LV; 2) inclusion of indomethacin in the perfusate abolished the IL-1 beta-induced PGE2 response in the OVLT, but a suppressive effect in the PVN was insignificant.
  • (20) Distal (5th finger - wrist) and proximal (wrist - elbow) sensory nerve conduction showed an insignificant increase as hyperglycemia was induced.

Null


Definition:

  • (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
  • (n.) Something that has no force or meaning.
  • (n.) That which has no value; a cipher; zero.
  • (v. t.) To annul.
  • (n.) One of the beads in nulled work.

Example Sentences:

  • (1) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
  • (2) DR(+) cells, however, showed no change in percentage and a lesser drop in absolute numbers, suggesting an increase with advancing disease of DR(+), Ig(-) null cells, which may represent immature B cell precursors.
  • (3) In this report we describe an improvement upon the design by Stanton and Lightfoot for a simple photographic null method to determine the kVp of a diagnostic region x-ray source.
  • (4) At least two (Rh null and the McLeod type) are responsible for congenital hemolytic disorders.
  • (5) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
  • (6) The analysis also involved statistical tests of a modified null hypothesis, the generation of confidence intervals (CIs) and a meta-analysis.
  • (7) The null potential of both responses became more and less negative with a decrease and an increase, respectively, in the extracellular potassium concentration.
  • (8) The null mutation of algR was generated in a mucoid derivative of the standard genetic strain PAO responsive to different environmental factors.
  • (9) Endoneurial fluid pressure (EFP) was recorded by an active, servo-null pressure system after a glass micropipette was inserted into rat sciatic nerve undergoing wallerian degeneration.
  • (10) In thymo-deprived mice (nude mice and B mice) the percentage of null cells increases during the stage of regeneration, and B mice develop a large number of Ig +-bearing cells.
  • (11) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
  • (12) Analysis of ldlA cells has identified three classes of mutant alleles at the ldlA locus: null alleles, alleles that code for normally processed receptors that cannot bind LDL, and alleles that code for abnormally processed receptors.
  • (13) Putative null sup-38 mutations cause maternal-effect lethality which is rescued by a wild-type copy of the locus in the zygote.
  • (14) Null cells of patients with hypoplastic anemia did not produce erythroid colonies under any culture conditions.
  • (15) Comparison of simulated versus actual inheritance data demonstrates that the so-called null structural alleles actually produce functional globins.--The genetic controls in Peromyscus may be analogous to those in primates.
  • (16) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
  • (17) When the stimulus is placed at a position approximately 80 degrees dorsal to the eye axis, there is no response; this area is called the null region.
  • (18) Northern blot analysis showed that Adh-1 mRNA was synthesized at wild-type levels in immature seeds of the null mutant, but dropped to 25% in mature seeds.
  • (19) Two tumours were null cell adenomas with PIs less than 0.1 and 0.2%.
  • (20) Thus this methodology offers the potential to study naturally occurring ADH electromorphs and null alleles independent of enzymatic activity assays.