(a.) Standing out or above any surface; protruded.
(a.) Still existing; not destroyed or lost; outstanding.
(a.) Publicly known; conspicuous.
Example Sentences:
(1) There is extant a population of subjects who have average or better than average interpretive reading skills as measured by standardized tests but who read slowly and inefficiently.
(2) For example, most large extant lizards are herbivorous.
(3) Whereas all extant vertical clingers and leapers share certain femoral traits (i.e., long femur, proximally restricted trochanters, ventrally raised patellar articular surface), Galagidae and Tarsiidae share features of the proximal femur (i.e., cylindrical head, large posterior expansion of articular surface onto the neck) that clearly distinguish them from the specialized leapers of the Malagasy Republic (Indriidae and Lepilemur).
(4) This method provides an improvement in sensitivity over extant spectrophotometric methods and circumvents limitations of assays using radioactive pyruvate.
(5) His data also indicate that the supraorbital region in extant humans cannot be accurately modeled as a beam.
(6) On the basis of morphophysiologic relationships in extant populations, it can be assumed that mean annual osteonal creation frequency, and mean annual Haversian bone formation rate can be reliably determined in extinct populations.
(7) The older listener performance measures were compared with extant data from 20 normally hearing young adult listeners (mean age = 22 years).
(8) These findings suggest that thyroxine-potentiated mitogenesis promotes greater numbers of new motor neurons to the LMC while, simultaneously, target removal delays the loss of extant cells.
(9) Jeletzkya douglassae Johnson and Richardson is described as the oldest known representative of an extant squid group.
(10) Photoperiod-mediated differential responsiveness to 6-MBOA indicates that female house mice can discriminate long from short days, and these results suggest that the physiological mechanisms for photoperiodic responsiveness remain extant in this species previously characterized as nonphotperiodic.
(11) We derive twelve postulates, eight relating to the earliest vertebrate skeletogenic and odontogenic tissues and four relating to the development of these tissues in extant vertebrates and extrapolate the developmental data back to the evolutionary origin of vertebrate skeletogenic and odontogenic tissues.
(12) The numbers and local sequence environments of the two types of substitution mutation plus additions and deletions have been obtained directly in this study from differences between a large number of extant primate gene and pseudogene sequences.
(13) BP), and both resemble humans most closely among extant hominoids.
(14) The count of publications on geometric-optical illusions and the bibliography of extant books on the topic are brought up to date.
(15) Molecular modelling studies could not identify structural features of the aphidicolin-dCTP "overlap" that is unique to dCTP, relative to the remaining dNTPs, and that is consistent with the extant structure-activity data.
(16) The digital unit is compatible with all the extant radiographic equipment in our department and automatically supplies two images, the first one resembling a conventional radiograph, the second one characterized by a broader exposure range that allows a clear visualization of soft tissues.
(17) These data come from extant hosts and from paleobiogeography.
(18) Similarly, we have detected Amerindian genes, such as LDHB--Gua and TFchi, in proportions that relate this population with the extant Ngawbé (Guaymí).
(19) The central nervous system location of neurochemicals that are widely distributed among extant animals may give us clues to changes that occurred in the brains of these animals during evolution.
(20) Today all patients are alive and 7 present no recurrences of HCC on US and CT scans; the follow-up period was 18 months for 3 patients and 12, 9, 6, and 3 months for the extant 4 patients, respectively.
Sextant
Definition:
(n.) The sixth part of a circle.
(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.