What's the difference between instrument and ligator?

Instrument


Definition:

  • (n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
  • (n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
  • (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
  • (n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
  • (v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.

Example Sentences:

  • (1) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
  • (2) Breast temperatures have been measured by the automated instrumentation called the 'Chronobra' for 16 progesterone cycles in women at normal risk for breast cancer and for 15 cycles in women at high risk for breast cancer.
  • (3) 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.
  • (4) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
  • (5) Atrioventricular (AV) delay that results in maximum ventricular filling and physiological mechanisms that govern dependence of filling on timing of atrial systole were studied by combining computer experiments with experiments in the anesthetized dog instrumented to measure phasic mitral flow.
  • (6) The instrument is a definite aid to the surgeon, and does not penalize the time required for surgery.
  • (7) Furthermore, the AMDP-3 scale and its manual constitute a remarkable teaching instrument for psychopathology, not always enough appreciated.
  • (8) But it [Help to Buy] is the right policy instrument to deal with a specific problem."
  • (9) Clinical use of this instrument is no more difficult than conventional immersion ultrasonography.
  • (10) The performance of the instrument was evaluated by undertaking in vitro measurements of the reflectance spectra of blood.
  • (11) Several recommendations, based upon the results of this survey study, the existing literature relevant to the ethical responsibilities of investigators who conduct research with children, and our own experiences with these instruments and populations, are made to assist researchers in their attempts to use these inventories in an ethical manner.
  • (12) Utilizing standardized instruments, family and demographic predictors of general and problem-solving knowledge pertaining to diabetes were identified in 53 newly diagnosed children.
  • (13) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
  • (14) This paper considers the advantages and disadvantages of the instrument together with indications for its use and reviews 118 patients who had 130 oral lesions removed with the CO2 laser.
  • (15) The inflammatory response is active in the embryo midway through incubation and is probably instrumental in protection of the embryo.
  • (16) To examine the possibility of prolongation of the standing times of instrument disinfectants, in vitro tests under high albumin exposure and tests in clinical practice were done.
  • (17) This, too, is a functional technique although the method and instruments are totally different.
  • (18) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
  • (19) Out-patient treatment, instrumentation and postgraduated teaching is dealt with.
  • (20) There is considerable evidence to suggest that intra-alveolar plasminogen activation is instrumental in many aspects of inflammatory lung injury and subsequent tissue repair.

Ligator


Definition:

  • (n.) An instrument for ligating, or for placing and fastening a ligature.

Example Sentences:

  • (1) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
  • (2) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
  • (3) Our results show that stenosis of about one-third of the original external diameter of the artery and vein of the pedicle in our model did not have any significant influence on the survival of the flap and ligation of the femoral artery distal to the branch to the flap did not produce any statistical difference in the viability of the flap.
  • (4) These findings suggest that testicular vein ligation for varicoceles does not improve fertility.
  • (5) This proved that all four fistulas were acquired and that they were probably caused by the catgut ligatures used for ampullary ligation.
  • (6) Donor organs were anastomosed parallel to the recipient's heart and right lung, and the superior vena cava inflow was directed into the transplanted heart-left lung block after ligation of the recipient's superior vena cava proximal to the caval anastomosis.
  • (7) Portal vein ligation resulted in testicular atrophy and low serum testosterone concentrations.
  • (8) The intrarenal administration of acetylcholine produced a significant and comparable increase in RPF in all animals, including those with chronic ligation of CBS, but the rise in UNaV in the latter was significantly less than that in the other groups of dogs.
  • (9) Such conformations would account for the observed resistance of the double-hairpin structure to ligation, since the 3'OH and 5'P would no longer be collinear.
  • (10) Ligation of the left renal vein on the medial side of the adrenolumbar tributary maintained a patent left renal vein in all cases with 60% of left kidney biopsies showing no histological evidence of changes to glomeruli or tubules, and the remainder showing early acute tubular necrosis.
  • (11) Splenectomy and splenic artery ligation were performed.
  • (12) Continuous in utero tracheal ligation and drainage (over a period of 21-28 days) both result in malformations of the developing fetal lamb lung.
  • (13) Nitrogen mustard (N2M) treatment of rabbits induced neutropenia, and, in ligated ileal loops, it inhibited fluid secretion induced by salmonella or by cholera toxin (CT).
  • (14) The fistula was ligated by an access through the right atrium with good nearest and long-term results.
  • (15) A series of alkylazulene-1-sodium sulfonate derivatives which has an isopropyl group at 6-position were synthesized, and their anti-ulcer activities were examined in Shay pylorus-ligated rats.
  • (16) Venour ligation produced sixfold increases in lymph flow.
  • (17) In the second experiment, 15- and 30-day-old rats underwent unilateral carotid ligation followed by kindling in the ipsilateral amygdala.
  • (18) Although few major complications were noted in the IMAX ligation group, frequent minor complications were noted on prolonged follow-up.
  • (19) The new operative technique was used for anastomosis of previously ligated fallopian tubes in 14 cases and for unilateral midsegmental inflammatory tubal obstruction (previously left salpingectomy due to an ectopic pregnancy) in 1 case.
  • (20) Microsurgical vasovasostomy for the reversal of elective bilateral segmental vasectomy (vasectomy, vas ligation) was done in 57 patients (61 operations) between May 1977 and March 1984.

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