(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.
Shingle
Definition:
(n.) Round, water-worn, and loose gravel and pebbles, or a collection of roundish stones, such as are common on the seashore and elsewhere.
(n.) A piece of wood sawed or rived thin and small, with one end thinner than the other, -- used in covering buildings, especially roofs, the thick ends of one row overlapping the thin ends of the row below.
(n.) A sign for an office or a shop; as, to hang out one's shingle.
(v. t.) To cover with shingles; as, to shingle a roof.
(v. t.) To cut, as hair, so that the ends are evenly exposed all over the head, as shingles on a roof.
(v. t.) To subject to the process of shindling, as a mass of iron from the pudding furnace.
Example Sentences:
(1) Along with asthenia, polyadenopathies, and shingles, it is often an early sign of AIDS.
(2) This outbreak suggests that shingles can be provoked by reexposure to varicella-zoster virus.
(3) A double-blind, placebo-controlled trial of amantadine hydrochloride (Symmetrel) in acute herpes zoster (shingles) was carried out in 100 patients in general practice.
(4) Somatic sensory perception thresholds (warm, cold, hot pain, touch, pinprick, vibration, two-point discrimination), allodynia and skin temperature were assessed in the affected area of 42 patients with unilateral postherpetic neuralgia (PHN) and 20 patients who had had unilateral shingles not followed by PHN (NoPHN), and in the mirror-image area on the other side.
(5) Acyclovir has demonstrated clinical efficacy for chickenpox, shingles (herpes zoster), genital herpes, and other herpes simplex infections.
(6) Unusual presentations of HIV infected persons which have been seen in Africa include serially developing abscesses in pyomyositis, gall bladder diseases, pericarditis or myocarditis, diseases of the Central Nervous System (cryptococcal meningitis, toxoplasmosis, non-specific leuko-encephalitis, atraumatic paraplegia, acute psychosis or chronic deterioration in mental capacity, lymphoma of the brain), prodromal illnesses, swollen lymph nodes, herpes zoster or shingles in young adults, or tumours of the lymphatic system.
(7) Sacral shingles is associated with sensory loss and flaccid detrusor paralysis.
(8) Patients over 50 with simple shingles should be offered topical idoxuridine or intravenous acyclovir to reduce the risk of post-herpetic neuralgia.
(9) The varicella-zoster virus causes chickenpox and shingles.
(10) Vesicles then appear on the skin in the distribution of this nerve, producing the characteristic dermatomal rash of shingles.
(11) Specimens from patients with smallpox, various forms of vaccination complications, varicella, zoster (shingles), and herpes simplex are included in this evaluation.
(12) By comparison, gypsum pellet carriers sustained penetration rates of 37% in shingle-stacked piles and 87% in random-stacked piles.
(13) At Cley, in North Norfolk, a new nature reserve just purchased by the Norfolk Wildlife Trust was flooded, a bird hide had disappeared and holes punched in the shingle sea bank threaten the whole of the marshes.
(14) They say there is particular concern in the Hunstanton area, where some of the shingle bank has been swept away, and there are reports that Mundesley Cliff Vale Road car park has been washed into the sea.
(15) Four polymorphic loci were studied on an extensive shingle beach at Dungeness.
(16) Herpes zoster or shingles is caused by the DNA virus, varicella-zoster virus, and its major morbidity in older patients is postherpetic neuralgia.
(17) The government would also extend free vaccinations for the shingles virus to older Australians aged 70 to 79 on the national immunisation program, she said.
(18) The other causes of facial paralysis in children are very much less common: a frigore or viral, traumatic, occur ring in the course of acute poliomyelitis, shingles or tumours of the middle ear.
(19) Using the polymerase chain reaction, we performed postmortem examinations of trigeminal and thoracic ganglia of 23 subjects 33 to 88 years old who had not recently had chickenpox or shingles to identify the presence of latent varicella-zoster viral DNA.
(20) Herpes zoster (shingles) is a viral infection that results from a reactivation of a dormant varicella zoster virus.