(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.
Unrecognizable
Definition:
Example Sentences:
(1) In a state of rapid change, nursing over the last few years has become almost unrecognizable.
(2) The posterior hyperintense signal was absent without evidence of ectopic posterior pituitary tissue regeneration in five children with surgically removed craniopharyngioma and was doubtful in the child with unresected craniopharyngioma; the stalk was unrecognizable in all patients.
(3) The aim of this research was to understand why anamorphic images break up until they are unrecognizable when the observer's eye moves away from the regularization point.
(4) But the phase reversals so distort the relative positions of linear segments within the letters that the letters become unrecognizable.
(5) Qualitatively, digital enhancement of two-dimensional echocardiographic images undoubtedly facilitated the identification of endocardial edges and reduced image noise, notably in patients whose ventricular edges were virtually unrecognizable by any other method.
(6) Thus, human teratomas are uniquely puritissular lesions composed, potentially at least, of virtually every recognizable (and probably some as yet unrecognizable), type of embryonic, foetal and adult cell and tissue, together with, in some cases, frankly malignant cells of no obvious derivation or differentiation.
(7) In fact it is distinguishable for the compactness of cellular bundles and the precociousness of the degenerative phenomena which render unrecognizable the internal structure of the colony even before the third day of growth.
(8) We observe also that, in HCMV-infected cells, no synthesis of mature cellular class I molecules occurs, while messenger RNA levels remain unaltered, and we speculate that one function of the viral homologue may be to sequester beta 2m, thus preventing the maturation of cellular class I molecules and rendering the infected cell unrecognizable by cytotoxic T cells.
(9) In the Patriot Act telephony metadata fiasco, legal formalism completely disabled both lawyers and judges: they were blessing a program that had become unrecognizable as consistent with constitutional protection of privacy – anyone who read Edward Snowden's documents soon knew that, and the legal world should have known it sooner.
(10) These results suggest that increased resorption depth does not contribute to age-related bone loss, although the possibility that deeper resorption cavities occur which result in trabecular penetration and are therefore unrecognizable cannot be discounted.
(11) In many cases, with insignificant and unrecognizable loss of enamel, superficial enamel discoloration defects can be permanently eliminated, improving the appearance of treated teeth.
(12) A thrombocytopoiesis-stimulating factor (TSF or thrombopoietin) derived from human embryonic kidney (HEK) cells is known to increase platelet production and to increase the number of morphologically unrecognizable early megakaryocytes, ie, small acetylcholinesterase-positive (SAChE+) cells in mice.
(13) Angioplasty causes substantial injury to the coronary artery intima and media that is unrecognizable by angiography.
(14) Inflammation, induced in mice by a single intramuscular injection of turpentine, caused a long lasting reduction in the number of morphologically unrecognizable CFU-E in the bone marrow.
(15) Glial fibrillary acidic protein developed in tissue cultures of fetal intestine explanted before the protein appeared in situ, and before the bowel became innervated by extrinsic nerves; thus, the precursors of cells able to elaborate glial fibrillary acidic protein must have been present, but unrecognizable, in the original explants.
(16) After the cytoplasmic granules of the leukocytes fused with the phagocytic vacuole, the phagocytized mycoplasmas became disrupted and unrecognizable.
(17) Sonography revealed an unrecognizable longitudinal structure and extraenteric fluid.
(18) Committee activists displayed graphic images – charred and unrecognizable corpses with appalling injures – of the victims of Rabaa and other mass killings, "The murders [of the prisoners] show the violations and abuses that political detainees who oppose the July 3 coup [removing Morsi] get subjected to," the Brotherhood said in a statement.
(19) The heterogenous group of rigid spine syndrome was divided into the three subgroups: 1) Rigid spine syndrome with nosologically determined neuromuscular disorder; 2) Rigid spine syndrome on myopathic basis, but nonspecific and unrecognizable as an entity; 3) Rigid spine syndrome with disorders of non-neuromuscular origin, but with that related to bones, joints or connective tissue.
(20) The tonofilaments appeared unrecognizable and resembled an amorphous matrix.