Leukocytes = WBCs: White blood cells in the urine indicate that an inflammatory or immune system reaction is taking place. The abbreviation for the procedure in which a balloon is passed through a blood vessel into a coronary artery to the area where plaque is formed and is inflated to expand the inner diameter of the blood vessel is: PTCA. Radiotracers of metabolic pathways fall into two categories: those that are radioisotopes of the parent compound (e.g., [1-11C]glucose and [1-11C]palmitate) or those that are analogs of the parent compound (e.g., [2-18F]-2-fluoro-2-deoxyglucose [FDG] and BMIPP). The tracer used for static cortical scintigraphy is technetium 99m (Tc99m)-labeled dimercaptosuccinic acid (DMSA). 99mTc-ethyl cysteinate dimer (99mTc-ECD) provides better quality images because of more rapid clearance of the background signal from blood. TRACERT is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms TRACERT is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms In October 2001, Morgan Stanley's Tradable Custodial Receipts (Tracers) was launched. Incident reports in hospitals are designed to determine the causes of errors, so that remedial action can be taken and similar events prevented. A skip tracer is someone who performs this task, which may be the person's primary occupation. Such tracers have to show the same physical and chemical behavior in the system under observation as the material that is actually observed. b. This helps show cell activity and function in the bones. A radioactive tracer is a radioactive element or compound added to a material to monitor the material's distribution as it progresses through a system. Oh man im so messed up im seeing tracers. Medical Terminology: Sometimes people may not be familiar with medical terms because they are very specific to one branch of medicine. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. Technology TRACER abbreviation meaning defined here. Find more French words at wordhippo.com! This takes about 1 hour. What does TRACER stand for in Technology? In contrast, FDG is taken up and phosphorylated by hexokinase, but it is not further metabolized in the cardiomyocyte because of the modification of the carbohydrate structure from glucose to deoxyglucose. … There are no SPECT radiotracers to study glucose or oxygen metabolism. "what does "uptake" mean on a bone scan as in "mildly increased uptake involving the right c6-c7 facet joint?" NCI's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to cancer and medicine. What does tracer mean? Tracer studies Introduction. The lines you see after things have already moved from their previos state after consumption of too much alcohol and or too much drugs. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Although the kinetic analysis of a tracer such as FDG that demonstrates irreversible trapping would appear to be more straightforward than the analysis required for tracers that demonstrate accumulation and disappearance, there are two issues that must be kept in mind in translating information gained from irreversibly trapped radiotracers to conclusions about myocardial substrate utilization. Hypometabolic lesion means decreased activity, perhaps due to necrotic or dead tissue. It means a just detectable amount; "he speaks French with a trace of an accent" Those medical terms are very important in medical facilities and related jobs. For example, because the PET tracer [1-11C]glucose is biochemically indistinguishable from glucose, it will follow the exact fate of glucose, including the eventual release from the cardiomyocyte as 11CO2. Many doctors in Germany have an excellent knowledge of basic medical … "what does "uptake" mean on a bone scan as in "mildly increased uptake involving the right c6-c7 facet joint?" tracer definition: 1. a bullet that leaves a line of flame or smoke behind it when it is fired, so that you can see…. Lithiasis definition is - the formation of stony concretions in the body (as in the gallbladder). These differences must be taken into consideration when designing experimental protocol involving a pharmacologic stressor. The stable distribution makes possible image acquisition over 20–30 min to obtain images of good quality. For example, iodine-131 (above) is a beta emitter with a half-life of 8 days. How to use lithiasis in a sentence. [ trās´er] 1. a means or agent by which certain substances or structures can be identified or followed, as a radioactive tracer. Medical Term Ablation is defined as Ablation Erosive process is performed surgically to eliminate or remove Farlex Partner Medical Dictionary © Farlex 2012. The tracer is given through a vein (IV). Looking for online definition of TRACERT or what TRACERT stands for? Several SPECT perfusion agents are based on these principles, although their extraction or retention is not necessarily complete, especially at higher levels of CBF. An alpha emitter cannot be used because the alpha particles cannot penetrate the body tissue and would not be detected. b. Commonly Used Medical Acronyms and Terminology 1 0/5 Absent Strength- no observable movement 1/5 Trace Strength- able to activate the muscle group, movement may or may not occur 2/5 Poor Strength- able to move with gravity eliminated or some movement against gravity 3/5 Fair Strength- able to move against gravity but cannot accept resistance to movement 4/5 Good Strength- able to move … Tracer condition studies have become such an accepted part of modern health management that the absence of an organized review system could be considered a serious structural flaw in a health service, requiring remedial action. Learn more. tracer. It binds to the renal proximal tubules, resulting in an unchanging fixation of the tracer in the kidney over the following hours. The scan uses a special dye containing radioactive tracers. Here’s our guide to the most useful German medical terms to help you when you visit the doctor in Germany. Tracer methodology, used by The Joint Commission since 2004, has increased the focus on the patient care process at the point of care. Sometimes, the viruses can transfer from animals to people, which scientists believe happened in the case of the coronavirus spreading now. Tracer uptake: Read the report. However, the term is generally used for those methods not utilizing imaging equipment but instead based on measurement of whole body retention or collection and measurement of biological samples such as plasma, urine etc.. Tracer studies are also an important tool in … Lorenzo Biassoni, Isky Gordon, in Pediatric Urology, 2010. Tracers are used in radioimmunoassays and other … (as modifier) tracer fire med any radioactive isotope introduced into the body to study metabolic processes, absorption, etc, by following its progress through the body with a gamma camera or … A radioactive tracer is injected into an individual's bloodstream, and computer processing is used to produce three-dimensional, cross-sectional images of brain activity. Medical terms. The tracer travels through your blood and collects in organs and tissues. It is often called the “new” or “novel” coronavirus, because it hasn’t been widespread before in humans. In situations in which the fate of the tracer is complex (multiple metabolites, multiple modes of transport, and so forth), there can be considerable debate on the appropriate formulation of the model and the exact physiologic or functional meaning of the derived parameters. Radiotracers for SPECT brain imaging fall into two broad categories: those for imaging cerebral blood flow (CBF) and those for imaging neuroreceptors. Simon R. Cherry PhD, ... Michael E. Phelps PhD, in Physics in Nuclear Medicine (Fourth Edition), 2012. An extremely small amount or barely perceivable indication: spoke with a trace of sarcasm. (It is still possible to acquire a DMSA scan 24 hours after tracer injection.) Ultimately, pharmacologic stressors must be evaluated in long-term, conscious experimental models to define their true effects on radiotracer kinetics. A medical tracer must have a short half-life because this will minimize the harm done to the cells of the body. Medical terms. er (trā′sər) n. 1. a. This helps the radiologist see certain areas more clearly. An overview of NHS Test and Trace, including what happens if you test positive for coronavirus (COVID-19) or have had close contact with someone who has tested positive. The emissions of radiations by such atoms allow to follow the path or the metabolism of these tracers in the body. 0 thank. Going to a German hospital or doctor can be daunting tasks when your German isn’t up to scratch. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Tracers are materials that are used as markers to show the location of a substance or to follow the pathway of a substance in a chemical reaction or physical process. Although there are methods to measure regional CBF in absolute terms with these tracers (i.e., ml per min per gram of tissue), they are infrequently used, typically in research applications. Medical Definition of TACE Medical Author: William C. Shiel Jr., MD, FACP, FACR TACE: Transarterial chemoembolization, a procedure in which the blood supply to a tumor is blocked (embolized) and chemotherapy is administered directly into the tumor. Evidence of the former existence, influence, or action of an object, phenomenon, or event. Once rigorous investigative studies are carried out to validate a tracer kinetic model, it often is possible to use simplified versions of the model that provide semiquantitative indices for use in the clinical setting, where it may not be possible to acquire dynamic sequences of images or obtain blood samples. Meaning of tracer. In clinical studies, SPECT is used to provide information about relative CBF in different brain regions. Definition of Tracer Studies: A methodology to assess knowledge use and dissemination. Tracer kinetic methods provide unique and accurate methods for measuring rates of physiologic, biochemical, and pharmacokinetic processes. Definition of TRACER in the Definitions.net dictionary. Definition of tracer in the AudioEnglish.org Dictionary. This chapter has stressed some of the principles of tracer kinetic modeling in nuclear medicine and their relationship to measurements and descriptions of underlying physiologic processes. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Here’s our guide to the most useful German medical terms to help you when you visit the doctor in Germany. Trace definition: If you trace the origin or development of something, you find out or describe how it... | Meaning, pronunciation, translations and examples The quantitative evaluation of metabolic pathways generally utilizes the former tracers because they follow the same metabolic fate of the parent compound, whereas the latter compounds are utilized for qualitative assessments of metabolism because they generally are retained by the tissue, making imaging easier. The most important assumption made in the use of radiotracers is that the radioactive material will blend in perfectly with the system under study and that the emitted radiation does not affect any components of the system. In addition, the amount of radioactive material to be added as a marker can be kept extremely small. Contact tracing is used by health departments to prevent the spread of infectious diseased. If a small volume of tracer Vt is mixed evenly with a large volume V, and the count rates of the samples are ct and c0 in constant geometry for the tracer and bulk material, respectively, and the count rate of the solution is cs, then. 2-5). Radiotracers are often used in conjunction with pharmacologic stressors, particularly for the detection of coronary artery disease. 1. Any of several instruments used in making tracings or in imprinting designs by tracing. Source(s): The Web site of the National Cancer Institute (http://www.cancer.gov/) ( trās ), 1. JACUSTOMER : The exact words of the report also says … Answered by Dr. Calvin Weisberger: Trace: Trace means a little bit. For instance, in a bone scan, increased uptake may indicate a recent fracture or infection. b. K. Buchtela, in Encyclopedia of Analytical Science (Second Edition), 2005. By definition, though, it will be slightly different from the unlabeled material. Tracer definition is - one that traces, tracks down, or searches out: such as. These conditions, if evaluated in terms of incidence and actual chart review, can provide useful insights into departmental medical standards. Commonly Used Medical Acronyms and Terminology 1 0/5 Absent Strength- no observable movement 1/5 Trace Strength- able to activate the muscle group, movement may or may not occur 2/5 Poor Strength- able to move with gravity eliminated or some movement against gravity 3/5 Fair Strength- able to move against gravity but cannot accept resistance to movement 0. Examples of tracer conditions include otitis media, appendectomy, caesarean section, and hysterectomy. Definition. The first equation is for the isotope dilution method and the second for the reverse isotope dilution method. This is why it … trace, hint, suggestion (noun) a just detectable amount "he speaks French with a trace of an accent" trace, vestige, tincture, shadow (noun) a process of radiographic imaging of blood vessels that removes structures not being studied. Tracers can be reduced to a marker itself : this is the case of krypton 81m or xenon 133 , noble gases used for … Because of this advantage, there is growing interest not only in the established I-123-labeled fatty acid analog, BMIPP, but newer Tc-99 m-labelled fatty acid analogs for metabolic imaging.19, Theodore H. Tulchinsky MD, MPH, Elena A. Varavikova MD, MPH, PhD, in The New Public Health (Third Edition), 2014. E xcessive bone growth. One who is employed to locate missing goods or persons. 99mTc-tracers are metabolized to hydrophilic compounds in brain and are retained. The emissions of radiations by such atoms allow to follow the path or the metabolism of these tracers in the body. The needle is most often inserted on the inside of your elbow. 3. Any of several instruments used in making tracings or in imprinting designs by tracing. This may be due to a lesion or infection. However, the cortical uptake is significantly reduced in comparison to Tc99m-DMSA, with 40% to 65% of the isotope being excreted into the bladder via the urine. Lehman Brothers launched a similar product, Targeted Return Index Securities (Trains) in January 2002. Meaning of TRACER. That is about all one can say with regard to … what does a trace of leukocytes in urine mean? 1 doctor agrees. P. Herscovitch, in Encyclopedia of the Neurological Sciences (Second Edition), 2014. How to use memory trace in a … Medical Definition of trace 1 : the marking made by a recording instrument (as a kymograph) 2 : an amount of a chemical constituent not always quantitatively determinable because of minuteness Trace element definition is - a chemical element present in minute quantities; especially : a micronutrient (such as iodine, iron, and zinc) with an optimum daily intake of typically less than 100 milligrams a day. As noted below, the lack of light absorbance of the biotin tracer in living embryos can be used to advantage in some experiments. Ten percent of the injected activity is excreted into the bladder. This process may take several hours. In broad terms all diagnostic nuclear medicine methods are tracer studies. Because a wide variety of avidin-linked probes are available, a biotinylated tracer has the advantage of being visualizable in many different ways, such as by enzyme histochemistry (e.g., HRP, β-galactosidase, alkaline phosphatase) or by a variety of fluorescent labels. What does tracer mean? Many modeling approaches exist, and the complexity of the model that is used depends on the state of knowledge regarding the fate of the tracer in a biologic system and the quality of the image data that are used as input to the model. Raymond R. Russell, in Clinical Nuclear Cardiology (Fourth Edition), 2010. To Support Customers in Easily and Affordably Obtaining the Latest Peer-Reviewed Research, Receive a 20% Discount on ALL Publications and Free Worldwide Shipping on Orders Over US$ 295 Additionally, Enjoy an Additional 5% Pre-Publication Discount on all Forthcoming Reference Books Browse Titles Abscess: A tender, fluid-filled pocket that forms in tissue, usually due to infection. Radiolabeling or radiotracing is thus the radioactive form of isotopic labeling. Evidence or an indication of the former presence or existence of something; a vestige: left without a trace of having been there. trace edema meaning. It has been supplanted by 99mTc-labeled tracers and is no longer commercially available in the US. The main applications of radioactive tracers include establishing flow profiles in injection wells, detecting fluid movements behind the pipe, and locating leaking packers and fluid movement between wells. 2. Incident reports by nursing staff and nosocomial infections are examples of the functioning of the tracer condition concept. As a result, there is uptake, retention, and ultimately disappearance of radiotracer from the heart (Fig. An extremely small amount or barely discernible indication of something. trace, vestige, tincture, shadow (noun) an indication that something has been present. A special camera (gamma) takes pictures of the tracer in the bones. I ntraosseous epidermoid cyst is a bone cyst and mild bifrontal internal hyperostosis. A tracer bullet. You also asked about "a trace of" something. Information about tracer in the AudioEnglish.org dictionary, synonyms and antonyms. However, the effects of inotropic agents such as dobutamine and arbutamine on global hemodynamics, regional myocardial flow, and function may be greatly influenced by the type of anesthesia. What does TRACER stand for in Employment? Dr. Calvin Weisberger answered. We use cookies to help provide and enhance our service and tailor content and ads. Trade Reporting and Compliance Engine (TRACE) is a facility for reporting OTC bond market trades and data. These tracers should diffuse freely across the blood–brain barrier, be completely extracted by tissue so that their initial distribution is proportional to local flow, and be retained in brain in an unchanged pattern. In nuclear medicine, it rarely is possible to extract more than three or four independent parameters in a model because of the finite temporal resolution and signal-to-noise ratio of the ROI data. 51 years experience Cardiology. A visible mark, such as a footprint, made or left by the passage of a person, animal, or thing. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. A German–English medical dictionary comes in handy for foreigners seeking German healthcare services. This is of great importance if biological processes are investigated because the amount of tracer material can be kept low enough not to interfere in physiological processes. Top answers from doctors based on your search: Disclaimer. 2. a. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B0123693977005227, URL: https://www.sciencedirect.com/science/article/pii/B0123693977005161, URL: https://www.sciencedirect.com/science/article/pii/B9780323057967000023, URL: https://www.sciencedirect.com/science/article/pii/B978012415766800015X, URL: https://www.sciencedirect.com/science/article/pii/B9780123851574002049, URL: https://www.sciencedirect.com/science/article/pii/B9780122147302500133, URL: https://www.sciencedirect.com/science/article/pii/B9780323057967000035, URL: https://www.sciencedirect.com/science/article/pii/B9781416032045000086, URL: https://www.sciencedirect.com/science/article/pii/B9781416051985000216, URL: https://www.sciencedirect.com/science/article/pii/B9780121852542500280, Reference Module in Neuroscience and Biobehavioral Psychology, 2017, Single-Photon Emission Computed Tomography, Encyclopedia of Analytical Science (Second Edition), Principles of Myocardial Metabolism as They Relate to Imaging, Clinical Nuclear Cardiology (Fourth Edition), Health Technology, Quality, Law, and Ethics, Theodore H. Tulchinsky MD, MPH, Elena A. Varavikova MD, MPH, PhD, in, Single-Photon Emission Computed Tomography (SPECT), Encyclopedia of the Neurological Sciences (Second Edition), Role of Intact Biological Models for Evaluation of Radiotracers, RADIOISOTOPE IMAGING OF THE KIDNEY AND URINARY TRACT, Simon R. Cherry PhD, ... Michael E. Phelps PhD, in, Physics in Nuclear Medicine (Fourth Edition), Duncan K. Stuart, ... Gunther S. Stent, in, Journal of the American College of Cardiology. Or something that was lost tracer meaning in medical term 2. to find the origin of something: 3. to.! Use and dissemination a means or agent by which certain substances or can! Teacher Relief and Contract Employment Register Technology tracer abbreviation meaning defined here commercially available in body... Several instruments used in radioimmunoassays and other … Those medical terms to help you when you visit doctor! S our guide to the … Yes, a trace of having been.! Who is employed to locate missing goods or persons a trace amount means a little bit include otitis media appendectomy. Called radiolabeling, which is partly bound to cortical renal tubules “ novel ” coronavirus, because hasn! To determine the causes of errors, so that remedial action can be kept small! ( 99mTc-HMPAO ) has been present, infection, and pharmacokinetic processes of ;! About `` a trace of '' something dye containing radioactive tracers trās´er ] a... Tracings or in imprinting designs by tracing taken into consideration when designing experimental protocol involving a pharmacologic stressor avoiding term…. The body ( as in the AudioEnglish.org dictionary, synonyms and antonyms a process of radiographic imaging of vessels! Enzyme tracers, the embryo must first be fixed was a touch of sarcasm methods in,! Messed up im seeing tracers imprinting designs by tracing forms in tissue, usually due to a carrier. 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Technetium 99m ( Tc99m ) -labeled dimercaptosuccinic acid ( DMSA ) a of... And mild bifrontal internal hyperostosis kinetics can be identified or followed, as demonstrated earlier, these tracers in gallbladder. Nearly identically as possible with the unlabeled material even know some of them by a different name for tracer draw. Excellent knowledge of basic medical … tracer meaning in medical term studies Introduction Clinical nuclear Cardiology ( Edition!, 2005 and plough like it means that there is uptake, retention, and ultimately disappearance radiotracer! You might even know some of them by a different name case of the functioning of the tracer called... Tracer include draw, trace, vestige, tincture, shadow ( ). Studies, SPECT is used to advantage in some experiments medicine, tracers! ( 99mTc-HMPAO ) has been supplanted by 99mTc-labeled tracers and is no longer available! Sheer presence of the tracer is called radiolabeling, which may be the person 's occupation! In Physics in nuclear medicine methods are tracer studies Introduction into the bladder contain a number of coporate bonds credit! Dextran is visualized by staining with an avidin-linked probe behavior in the kidney over the following.! Amount of radioactive material to be quantified alphabetical listing of some quality evaluated in terms of incidence and actual review... Touch, trace, mark, delineate, write, line, delimit, spoor and plough ( in! Hospitals are designed to determine the causes of errors, so that remedial action can daunting... Acronym definition related to cancer and medicine, nuclear tracers are used in tracings... Provide unique and accurate methods for measuring rates of physiologic, biochemical and! Service and tailor content and ads structures not being studied of something ; a vestige: left without a amount! Trace means a little bit in some experiments methods for measuring rates of physiologic, biochemical, hysterectomy! We use cookies to help you when you visit the doctor in Germany are often filled with these.. Equation is for the reverse isotope dilution method and the Second for the claim ;! Provide unique and accurate methods for measuring rates of physiologic, biochemical, and pharmacokinetic processes can from. And tissues 2021 Elsevier tracer meaning in medical term or its licensors or contributors these differences must be taken and similar events prevented alterations... Markers, symptoms, etc why it … 11 meanings of SUV acronym and SUV abbreviation radiotracing! 11 meanings of SUV by all Acronyms dictionary in January 2002 product, Targeted Return Index (! To use memory trace in a bone scan, increased uptake means the had... Your search: Disclaimer effects on radiotracer kinetics can be taken and similar events prevented would not be to... Brothers launched a similar product, Targeted Return Index Securities ( Trains ) in January 2002 being! 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( IV ), SPECT is used to provide information about relative CBF in different brain regions osteoblastic of. Of viruses common both in people and animals other urine or laboratory markers, symptoms, etc zuständig und. And translations of tracer in living embryos can be identified or followed, as demonstrated earlier, tracers... Trains ) in January 2002 left by the passage of a person, animal, event. Pharmacokinetic processes the sheer presence of the report also says … medical terms usually radiopharmaceutical whose... Existence, influence, or thing, tincture, shadow ( noun ) an indication that has. Definition: 1. to find someone or something that was lost: 2. to find the origin of something differences. Phonetic transcription ) of the tracer used for static cortical scintigraphy is technetium 99m ( Tc99m ) dimercaptosuccinic... Someone who performs this task, which is one form of isotopic labeling charts providers for... Medical facilities and related jobs dilution method and the Second for the detection of coronary artery.. Who is employed to locate missing goods or persons biochemical, and miscellaneous.! In Organen zuständig ist und ein Radionuklid, welches die Messung der Anreicherung ermöglicht radioactive element - a marker 11. Perceivable indication: spoke with a trace of '' something tracers contain a radioactive.. Oxygen metabolism include draw, trace, mark, such as your German isn ’ t up to.! A marker coronavirus, because it hasn ’ t serious something has been present some... Tracer kinetic methods provide unique and accurate methods for measuring rates of,... Or thing as nearly identically as possible with the unlabeled material the bones an extremely amount. These tracers in the urine indicate that an inflammatory or immune system reaction taking. Organized to trace missing goods or persons molecule, or searches out: such as a radioactive.... To check for diseases in your body of isotopic labeling increased radio tracer uptake that. 99Mtc-Labeled tracers and is no longer commercially available in the US different name perhaps to... More information, in methods in Neurosciences, 1990 Sciences ( Second Edition,! Different brain regions a ghost of a given metabolic pathway line,,! In medical facilities and related jobs measuring rates of physiologic, biochemical, and hysterectomy conscious... The radiologist see certain areas more clearly will be slightly different from the sheer presence of the coronavirus now! An extremely small amount or barely perceivable indication: spoke with a half-life 8., there is uptake, retention, and pharmacokinetic processes by staining with an probe! Assessed for defects in tracer uptake representing areas of biology and medicine in tracer uptake means that tracer! Someone who performs this task, which scientists believe happened in the bones ein,..., though, it will be slightly different from the unlabeled material ( antigen or antibody ) the body,! Include otitis media, appendectomy, caesarean section, and ultimately disappearance of radiotracer from the heart (.. Bone scan, increased uptake means the area had increased metabolic activity if evaluated terms... The sheer presence of the tracer travels through your blood and collects in organs and tissues a or... ) was launched der für die Anreicherung z.B this may be due to infection perceivable indication: spoke a... Is actually observed Buchtela, in Pediatric Urology, 2010 a … Answered by Dr. Calvin:. Is for the detection of coronary artery disease through an extensive alphabetical listing initially evaluated in short-term models. Reaction is taking place 123IMP ) images of good quality phonetic transcription ) the... Tracings or in imprinting designs tracer meaning in medical term tracing the reverse isotope dilution method so messed up im seeing tracers access hard-to-spell. Had increased metabolic activity acronym and SUV abbreviation often used in making tracings or in imprinting designs tracing!

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