(n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant.
(n.) The constellation Sextans.
Example Sentences:
(1) Treatment needs were determined by the worst periodontal score per sextant.
(2) Pathologic pockets of 6 mm or more were found in 1.3 and 0.3 sextants in the diabetic and control group subjects, respectively (P less than 0.001).
(3) Neither were any differences found in the periodontal condition related to the duration and control of diabetes, whereas diabetics with advanced retinopathy demonstrated more sextants with deep pockets.
(4) A randomized four-sextant treatment design was used.
(5) The value of digital rectal examination, computerized tomography, magnetic resonance imaging, prostate-specific antigen, transrectal ultrasonography, and systematic-sextant biopsy in the identification of lymph node-positive patients before radical prostatectomy was analyzed in 103 men who had pelvic lymph node dissection, CT had a sensitivity of only 7% and a specificity of 96% in detecting lymph nodes, whereas magnetic resonance imaging had a sensitivity of 50% and a specificity of 100%.
(6) Based on the Community Periodontal Index of Treatment Needs (CPITN) it can be stated that more than 90% of the adult population of 25 years and over needs oral hygiene education and scaling in one of more sextants (TN2).
(7) The mean number of missing sextants was also significantly higher in diabetics.
(8) Very few patients had 'healthy' periodontal sextants at the first visit; the most frequent CPITN category was 3.
(9) Any child with two or more sextants or teeth with CPITN code 3 or one sextant code 4 was taken for a radiographic and full clinical examination.
(10) The mean number of sextants requiring scaling was 0.6 per person at age 17 in Espoo as compared to 4.5 at 18.5 yr of age in Chiangmai.
(11) There are broad differences in the numbers of healthy sextants between developing countries and those which are highly industrialized.
(12) Straight rods, fusiforms and motile rods correlated negatively to the number of healthy sextants per subject.
(13) In general, females were healthier than males, had a significantly greater number of healthy sextants, less sextants with calculus and less sextants with deep pockets.
(14) Posterior sextants with CPITN Code 4 were more likely treated with surgery than sextants with CPITN Code 3.
(15) per sextant in the Spaniard population under 20 years of age.
(16) One maxillary sextant was splinted, while the other was unsplinted.
(17) Four pockets per patient, one in each posterior sextant, were chosen.
(18) Partial mouth random recording (2 upper and 1 lower or 1 upper and 2 lower sextants) was made by CPITN of 150 sextants, and at 6 sites around each tooth in each sextant for each index using a pressure-sensitive probe, with Newman tip and Williams markings, and a WHO 621 tip, probing pressure 0.25 N. Ranges of each index were compared with corresponding CPITN data.
(19) Surgical therapy was effective over all levels of disease severity and was the preferred form of therapy with respect to reduction of probing depth except for sextants exhibiting 4 to 5 mm pockets.
(20) While plaque and calculus were present in many sextants, there was little intense gingivitis and signs of advanced periodontal diseases were rarely present.
Sixth
Definition:
(a.) First after the fifth; next in order after the fifth.
(a.) Constituting or being one of six equal parts into which anything is divided.
(n.) The quotient of a unit divided by six; one of six equal parts which form a whole.
(n.) The next in order after the fifth.
(n.) The interval embracing six diatonic degrees of the scale.
Example Sentences:
(1) The final number of fibers--140,000-165,000--is reached by the sixth week after birth.
(2) Ventilation-perfusion lung scans and contrast ascending venography were performed on the sixth to eighth postoperative days.
(3) In the sixth frame of the evening he sunk a magnificent long red and careered on his way to a 131 clearance to extend his lead in the match to 9-5.
(4) The highest frequency occurred in the sixth decade.
(5) With Everton heading for a sixth-placed finish in the Premier League, the additional television revenue and prospect of further funds from Fellaini, the club are confident of appointing an "equally significant" successor to Moyes, according to the chairman, Bill Kenwright.
(6) That's the sixth hit allowed tonight dor Wainwright.
(7) A sixth of the world's oil exports passes through it every day.
(8) School sixth-form funding Will be cut to bring it in line with that in colleges by 2015.
(9) Phil Barlow Nottingham • Reading about the problems caused by a lack of toilets reminded me of the harvest camps my father’s Birmingham school organised in the Vale of Evesham during the war, where the sixth-formers spent weeks picking fruit and vegetables on farms.
(10) In addition to generating a chemotactic factor, plasmin destroys the complement-associated chemotactic factor that is a trimolecular complex consisting of the fifth (C'5), sixth (C'6), and seventh (C'7) components of complement.
(11) The authors discuss the appropriateness of teaching clinical pharmacology (CP) to fourth-year students, lectures in CP to fourth-, fifth- and sixth-year students in accordance with the study of the main clinical specialties (therapy, surgery, pediatrics, etc.
(12) The phospholipid which accumulated between the sixth and twelfth culture days was composed of 21--27% disaturated phosphatidylcholines.
(13) The inhibitory effect of SMS on endogenous cholecystokinin release was fully operative on the sixth day of injection treatment, whereas the inhibitory effect on exogenous cholecystokinin injection significantly decreased after SMS administration for seven days, indicating desensitization of the end organ by somatostatin.
(14) )-sensitive mutants and have identified a sixth complementation group, line UV61.
(15) Residual bowel measuring 10 cm required prolonged TPN in the sixth infant and was not compatible with survival.
(16) He was appointed head coach of the Ligue 2 club Metz in June 2015 but left in December with them in sixth place.
(17) The marquee event on Thursday, considering recent off the court events, was the sixth game between the Los Angeles Clippers.
(18) Participants were 206 healthy, volunteer low-to-middle-income Mexican-American and non-Hispanic white (Anglo-American) families (623 individuals), each with a fifth or a sixth-grade child.
(19) A bout a year ago, a few months before she left sixth-form college, my youngest daughter asked cheerily: "What will you feel when you have no one left to wave goodbye to in the morning?"
(20) The action of the venom of the wasp Campsomeris sexmaculata on the insect CNS has been studied using the cercal nerve-giant interneuron preparation of the sixth abdominal ganglion of the cockroach.