(n.) The quarter of a circle, or of the circumference of a circle, an arc of 90¡, or one subtending a right angle at the center.
(n.) One of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant.
(n.) An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90¡, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction.
Example Sentences:
(1) Left ventricular synchrony was assessed from regional volume curves derived by dividing the global ventricular region of interest into four quadrants.
(2) The authors report the clinical case of an 18-year-old patient who presented with a symptomatic mass in the left upper quadrant 6 months after having infectious mononucleosis.
(3) One patient required evacuation and open packing of the right upper quadrant and lower right hemithorax.
(4) Following this combination procedure the patients were relieved completely of obstructive jaundice and right upper quadrant pain, leaving only small trocar insertion scars made during the short course of hospitalization.
(5) The axons of 12 SRT cells were located in the ventrolateral or ventral quadrants of the upper cervical spinal cord.
(6) Double ballooning is recommended for cases with retinal detachments with 2 ruptures up to 2 disc diameters in length, located at a distance of 2-3 disc diameters from each other within one quadrant or in different quadrants of the fundus oculi.
(7) The dendritic-field diameters of parasol cells within the nasal quadrant of the retina are not fully brought into line with those of cells lying elsewhere in the retina.
(8) Lymphatic tumor emboli were observed in quadrants in 18 or 2.0% of the cases.
(9) Four cases of right lower quadrant abscess, each a clinical diagnostic dilemma, were recognized as abscesses surrounding a perforated viscus by application of the "coffee bean" sign on sonographic examination.
(10) However, 9 months later, while still asymptomatic, routine physical examination revealed a recurrent right lower quadrant tumor.
(11) The case of a 15-years-old female patient is presented, who referred pain and presence of a mass in the left upper quadrant of the abdomen.
(12) The two patients were women, one a 45-year-old who consulted for pain, epigastric discomfort and melenas, and the other a 76-year-old who consulted for paraneoplastic syndrome and a palpable mass in the right lower quadrant.
(13) A 58-year-old man complained of dull left lower quadrant pain and constipation.
(14) Presenting symptoms included: crampy right upper quadrant pain, jaundice, pruritus, cholangitis, pancreatitis, hepatomegaly, and elevated liver function tests.
(15) Cellular abnormalities were demonstrated in 90.4% of women having scrapings of visible lesions and in 88.1% of women studied by 4-quadrant vaginal scrapings in the absence of clinical disease.
(16) A persistent elevation of the level of serum alkaline phosphatase or more overt clinical manifestations, such as pain in the right upper quadrant, hepatomegaly, obstructive jaundice or weight loss, would all indicate the need for further investigations.
(17) The factors found to influence the postoperative outcome adversely include (1) association of severe blunt trauma (P less than 0.05), (2) anterior proliferative vitreoretinopathy (PVR) involving two or more quadrants (P less than 0.01), and (2) retinotomies (P less than 0.007).
(18) The most frequent side effect was temporary pain in the right upper abdominal quadrant.
(19) Following cardiac excision, three adjacent 80-mg tissue samples were taken from the subendocardial, mid-wall, and subepicardial layers of quadrantal left ventricular (LV) segments of the basal and midventricular cardiac slices, and from one segment of the apical slice, totaling 81 samples per LV.
(20) When the frozen or paraffin section diagnosis of a generous excisional biopsy was noninvasive breast carcinoma, there was a substantial risk that foci of the same type of noninvasive carcinoma were also present in other quadrants.
Sector
Definition:
(n.) A part of a circle comprehended between two radii and the included arc.
(n.) A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.
(n.) An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
Example Sentences:
(1) Adding a layer of private pensions, it was thought, does not involve Government mechanisms and keeps the money in the private sector.
(2) Asthma is probably the commonest chronic disease in the United Kingdom, and its attendant morbidity extends outside the possible scope of the hospital sector.
(3) It comes as the museum is transforming itself in the wake of major cuts in its government funding and looking more towards private-sector funding, a move that has caused some unease about its future direction.
(4) of rats resulted in cell death and terminal degeneration in entorhinal, insular, and posterior cingulate cortices, and in the CA1, CA3 and dentate gyrus sectors of hippocampus.
(5) The Future Forum is a group of 57 health sector specialists chaired by the Professor Steve Field, the former chair of the Royal College of General Practitioners.
(6) The World Humanitarian Summit in May 2016 may be the most timely opportunity to make an honest appraisal of the effectiveness of the current system to deal with the sector’s “ new normal ” of finite resources and unlimited challenges.
(7) This is welcome news but it needs to be borne in mind that the manufacturing sector is still far from racing ahead and serious doubts remain about the strength of demand for manufactured goods over the medium term, particularly once stimulative measures start being withdrawn.
(8) "Medical professionals have perhaps been the least involved [of all sectors] in debates and discussions around abortion, and anti-choice groups have very effectively carried out a deliberate strategy of targeting and influencing health professionals.
(9) The FCx lesions themselves were shown to have no significant effect on DA utilisation in any CP sector.
(10) We present a comparison of the Canadian and American data on expenditures, identifying the sectors in which the experience of the two nations diverges most, and describing the processes of control.
(11) Alton Towers has a long record of safe operation and as we reopen, we are committed to ensuring that the public can again visit us with confidence.” A spokesman for the park said that said that X-Sector, the high-octane section of that park where the Smiler is based, would remain closed until further notice.
(12) And we will sell those assets that can be managed better by the private sector.
(13) "It will mean root-and-branch change for our banks if we are to deliver real change for Britain, if we are to rebuild our economy so it works for working people, and if we are to restore trust in a sector of our economy worth billions of pounds and hundreds of thousands of jobs to our country."
(14) Despite some high profile problems, the private sector share of community services has been expanding; its market share grew around 50% in the two years from 2010-11.
(15) Analysis of a transposable, element-induced o2 allele, o2-m20, revealed that sectors of endosperm cells contained the nuclear-localized O2 protein, indicating excision of the transposable element.
(16) After clinical examination and semen analysis, we studied 4100 patients by scrotal US with sector mechanical (7.5 MHz) probe with water bag and by transrectal US for prostatic vesicular region evaluation with 5-6.5 MHz linear probe (lately we used biplanar probe).
(17) We are going to see a sharp fall unless sellers hold the sector up by making aggressive offers.
(18) Thanks to the groundbreaking technology and heavy investment of a new breed of entertainment retailers offering access services, we are witnessing a revolution in the entertainment industry, benefitting consumers, creators and content owners alike.” ERA acts as a forum for the physical and digital retail sectors of music, and represents over 90% of the of the UK’s entertainment retail market.
(19) Burham's claim to be the continuity candidate, coupled with his past reputation as a Blairite, suggests a centrist leadership that would stay on course in terms of private sector involvement in public services, a crackdown on benefit claimants and a tougher stance on criminals.
(20) Generally, patients with anterior sector conditions showed improved performance with band-pass filters (not with ND filters).