What's the difference between chest and null?

Chest


Definition:

  • (n.) A large box of wood, or other material, having, like a trunk, a lid, but no covering of skin, leather, or cloth.
  • (n.) A coffin.
  • (n.) The part of the body inclosed by the ribs and breastbone; the thorax.
  • (n.) A case in which certain goods, as tea, opium, etc., are transported; hence, the quantity which such a case contains.
  • (n.) A tight receptacle or box, usually for holding gas, steam, liquids, etc.; as, the steam chest of an engine; the wind chest of an organ.
  • (v. i.) To deposit in a chest; to hoard.
  • (v. i.) To place in a coffin.
  • (n.) Strife; contention; controversy.

Example Sentences:

  • (1) The results also indicate that small lesions initially noted only on CT scans of the chest in children with Wilms' tumor frequently represent metastatic tumor.
  • (2) This article reviews the care of the chest-injured patient during the intensive care unit phase of his or her recovery.
  • (3) A comparison of chest pain description was performed between MI and non-MI subjects.
  • (4) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
  • (5) Radiological findings on chest X-rays taken two weeks after BAI were evaluated according to Takeuchi's criteria.
  • (6) A case of dissecting hematoma involving the left main, left anterior descending, and left circumflex coronary arteries is described in a patient who had received vigorous closed-chest cardiac resuscitation.
  • (7) None of these were apparent on prior roentgenograms of the chest.
  • (8) A nine-year-old male child presented with a history of recurrent chest infections and breathlessness.
  • (9) The first source attended was a private practitioner for 53 % of the patients, another private medical establishment for 4 %, a Government chest clinic for only 11 % and another Government medical establishment for 17 %, 9 % went first to a herbalist and 5 % went to a drug store or treated themselves.
  • (10) Chest X-ray revealed multiple nodular lesions in both lung fields.
  • (11) Five normovolemic patients undergoing cardiac catheterization for atypical chest pain syndrome volunteered for this study.
  • (12) Of the 2,472 patients with chest pain evaluated by the emergency medical technicians, 453 (18%) were diagnosed with AMI during hospitalization.
  • (13) Persons with clinical abdominal findings, shock, altered sensorium, and severe chest injuries after blunt trauma should undergo the procedure.
  • (14) Fibreoptic bronchoscopy should be undertaken in patients suspected of having a pulmonary complication of AIDS, even if the chest radiograph is normal.
  • (15) The effect on mortality, serious ventricular arrhythmias and chest pain seemed to be similar in different age groups.
  • (16) A chest X-ray examination showed a large mediastinal mass on the right.
  • (17) ECG and chest impedance were continuously monitored and recorded.
  • (18) Treatment was always surgical, with the following procedures: Laparotomy and chest drainage tube in 7 cases (21%), thoracotomy in 12 cases (36%) and a combined thoracoabdominal approach in 14 (43%).
  • (19) Spirometry and lung volumes, diffusing capacity of carbon monoxide, chest radiograph, methacholine airway challenge, and bronchoalveolar lavage were done.
  • (20) In four of the empyemas, PCD was used successfully after incomplete or unsuccessful chest tube drainage.

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.