By: John E. Bennett, MD, MACP
Recommendations in Chapters 4 and 5 address problems with tissue banking practices and arrangements that limit or complicate their use for natural history and other studies pain diagnosis and treatment center tulsa ok order 100 pills aspirin with mastercard. These studies are sponsored by a multitude of different sources and employ a range of methods and data pain treatment wellness center aspirin 100pills fast delivery. National data collection programs tend to chronic pain treatment vancouver order aspirin no prescription focus on more common conditions pain treatment plan order aspirin australia, but information about the prevalence and incidence of some rare conditions is generated through systematic disease tracking systems. For example, the International Network of Paediatric Surveillance Units, which does not include the United States, has supported studies that have described the molecular epidemiology and genotype-phenotype correlations for Rett syndrome, Prader-Willi syndrome, and SmithLemli-Opitz syndrome (Grenier et al. The American Association of Poison Control Centers aggregates surveillance data from regional poison control centers, which report information on a broad range of poisonings, including those resulting from prescription and over-thecounter drugs, household products, and insect bites. As newborn screening programs become more consistent in the United States, they may provide firmer data on the birth incidence of a number of genetic conditions. This project is complex, but its recommendations, if implemented, should strengthen the foundation for epidemiologic and other research on rare diseases. The prevalence of a disease in an area or jurisdiction may be expressed as the number, percentage, or proportion of people alive on a certain day who have been diagnosed with the disease. As described in Chapter 1, the European Union defines a rare disease as one with a prevalence of no more than 50 people per 100,000 population, whereas the United States sets a numerical threshold at 200,000 people in this country. Prevalence is a function of both the incidence of disease (number of new cases reported in a given period) and the survival (duration of illness for self-limiting or curable diseases such as many infections). The committee found no broad compilation of data on the prevalence or incidence of rare diseases in the United States. It did, however, locate a recent report from Orphanet that lists estimated European prevalence for almost 2,000 rare diseases (out of an estimated 5,000 to 8,000 such conditions) (Orphanet, 2009). The demography, living conditions, and other characteristics of Europe and the United States likewise have much in common. This specification apparently relates to the specific challenges of clinical research involving populations that include many individuals who have undergone therapies, sometimes multiple therapies. Figures 2-1A-D show the distribution of rare conditions according to prevalence as presented in the Orphanet report. They reveal an overall distribution that is highly skewed to very rare conditions. In fact, data for approximately 1,400 of the approximately 2,000 conditions (about 70 percent) consist only of case reports for individuals or families. For the conditions not included in the study, the distribution may be even more skewed given that the project began with what were thought to be the more common rare conditions (Eurodis, 2005). In general, the limitations of the data in the Orphanet report include the use of single numbers for conditions with widely varying estimates of prevalence in the literature 7 and the lack of bibliographic citations and explanatory details. Short overview discussions of individual conditions in the Orphanet database vary in the specificity of their citations of sources. It is likely that there is an overestimation for most diseases as the few published prevalence surveys are usually done in regions of higher prevalence and are usually based on hospital data. Therefore, these estimates are an indication of the assumed prevalence but may not be accurate. The factors cited illustrate problems inherent in trying to develop reliable prevalence estimates for rare conditions-individually and collectively. Again, notwithstanding these limitations, the committee expects that the data provide a rough approximation of the overall distribution of rare conditions, at least for the conditions included. In part because data on many conditions are limited to case reports or special population studies, no well-supported estimate exists for the number of people collectively affected by rare diseases. The estimates were not accompanied by analyses or substantive citation of sources. In the last two decades, epidemiologic, molecular, and other research that takes advantage of scientific and technological advances in the biological sciences has greatly increased the number of rare diseases that have an identified cause-usually, although not invariably, genetic. The Orphan Drug Act, the Rare Diseases Act, and other policy initiatives discussed in this report have contributed to this knowledge by focusing attention, resources, and incentives on the study of rare conditions and products to treat them. Knowing the genetic, infectious, or other cause of a disease does not necessarily mean that researchers understand the mechanism of the disease. Moreover, a number of more common rare diseases such as cystic fibrosis and sickle cell disease have known causes and reasonably well understood mechanisms but lack cures, satisfactory treatments, or preventive strategies. Nonetheless, identifying the cause of a condition is usually an important step in building the knowledge base for prevention or effective treatment. For example, some forms of aplastic anemia, which is caused by damage to stem cells in the bone marrow and is diagnosed in about 500 to 1,000 people each year in the United States, are inherited. For certain rare diseases that have been named and characterized for decades, investigators still have not determined the cause. Genetic Causes Notwithstanding the imprecision in the count of rare diseases and the difficulty of characterizing thousands of conditions, experts on rare diseases generally agree that the great majority of rare diseases-perhaps 80 percent or more-are genetic in origin (see. Many if not most are caused by defects in a single gene, for example, alpha 1 -antitrypsin deficiency (which may cause serious lung or liver disease) and Friedreich ataxia (a neurological disorder that may also be accompanied by cardiac and other problems). Multiple different mutations in that single gene may result in disease of varying features or severity. Muscular dystrophy, which was once viewed as a single disease, now is described has having nine major forms, of which Duchenne muscular dystrophy may be the best known. In some rare conditions, multiple genes may contribute collectively to manifestations of the disorder (Dale and Link, 2009). Rare genetic conditions are often inherited but may also arise as a result of sporadic or chance mutations. Early hopes that genetic studies would quickly lead to breakthrough therapeutic advances for these complex common conditions have generally not been fulfilled (see. For other diseases, known genetic causes do not explain all cases and other genes are suspected to play a role. Organizations supporting research on inherited conditions typically make gene identification a top priority as illustrated by the example of the Progeria Research Foundation in Chapter 1 and the examples in Appendix F. Fortunately, the scientific and technical advances cited in Chapter 4 are making gene identification easier, faster, and less expensive. Despite their rarity, some infections such as rabies, botulism, and Rocky Mountain spotted fever are relatively well publicized and feared. Others, however, are rare in wealthy countries but common in less economically developed countries. Some of these, for example, tuberculosis, were common in wealthy countries such as the United States before effective preventive measures or treatments were discovered and widely applied. One anxiety is that the development and spread of extremely drug resistant strains of tuberculosis and certain other diseases could-absent effective countermeasures-lead to their resurgence in areas where they are now rare. As discussed in Chapter 1, public health experts and global nonprofit funders have highlighted several infectious diseases as neglected and have promoted international efforts to increase knowledge of these conditions, undertake intensive prevention campaigns, and develop affordable treatments. They also seek to make existing treatments affordable for poor patients and nations. Research suggests that genetic factors may affect susceptibility to infectious agents, either increasing susceptibility or having a protective effect. For example, research indicates that sickle cell trait contributes to resistance against malaria. In the United States, examples include arsenic and mercury poisoning, mesothelioma (a cancer caused by exposure to asbestos), and eosinophilia-myalgia syndrome, which is associated with contaminated (or overused) tryptophan, a dietary supplement. For example, the committee found newspaper reports of rare cadmium, chromium, phosphine, and other poisonings in the United States, but none is listed as a rare disease. Likewise, Amatoxin poisoning, a rare and often fatal illness caused by Amanita phalloides-the "death cap" mushroom-is also not listed. Certain rare conditions are caused by the persistent adverse or toxic effects of treatment for another disease. Secondary cancers are a well-understood risk of radiation therapy and also chemotherapy. Congress has directed that such supplements not be subjected to the same regulatory standards and review as medications. For some conditions, diseasemodifying therapies may allow a nearly normal life, whereas for others, the impact on morbidity and mortality may be very modest. The discussion is intended to illustrate public health and clinical practices, rather than to evaluate them or provide recommendations. Some preventive strategies are relatively simple but striking in effect, while others are complex and demanding.
Clinical features neuropathic pain treatment guidelines 2010 buy aspirin 100 pills overnight delivery, mechanisms pain treatment in rheumatoid arthritis discount 100pills aspirin amex, and management of pseudoprogression in malignant gliomas pain medication for dogs dose order 100pills aspirin amex. Pseudoprogression after radiotherapy with concurrent temozolomide for high-grade glioma: clinical observations and working recommendations pain treatment center regency road lexington ky 100pills aspirin free shipping. Percent change of perfusion skewness and kurtosis: a potential imaging biomarker for early treatment response in patients with newly diagnosed glioblastomas. True progression versus pseudoprogression in the treatment of glioblastomas: a comparison study of normalized cerebral blood volume and apparent diffusion coefficient by histogram analysis. Differentiation of true progression from pseudoprogression in glioblastoma treated with radiation therapy and concomitant temozolomide: comparison study of standard and high-b-value diffusion-weighted imaging. Reproducibility of reference tissue quantification of dynamic contrast-enhanced data: comparison with a fixed vascular input function. In: Proceedings of the International Society for Magnetic Resonance in Medicine 20th Annual Meeting and Exhibition, Melbourne, Australia. Rapid combined T1 and T2 mapping using gradient recalled acquisition in the steady state. Comparing the areas under two or more correlated receiver operating characteristic curves: a nonparametric approach. Mechanisms of radiation injury to the central nervous system: implications for neuroprotection. While external beam radiation therapy adheres to dose limits to protect the uninvolved brain, areas of high dose to normal tissue still occur. Patients treated with chemoradiotherapy can have adverse effects such as microbleeds and radiation necrosis, but few studies exist of patients treated without chemotherapy. Six patients returned for follow-up imaging approximately 18 months following their first research scan and were imaged with the same techniques. Further analysis with our technique revealed that these lesions were venocentric, suggestive of a neuroinflammatory process. This finding is of clinical relevance because it could be a precursor of future neurovascular disease and indicates that additional care should be taken when using therapies such as anticoagulants. This work was supported by the London Regional Cancer Program Catalyst Grant, the Canada Research Chairs Program, and the Canada Foundation for Innovation. However, the increased resolution can also lead to falsepositives in microbleed detection because small venous vasculature that runs parallel to the magnetic field can be misinterpreted as a microbleed. Additionally, these studies involve patients treated with chemotherapy, which has been shown potentially to influence the number of microbleeds present in the brain10,24 and may confound the estimates of microbleeds due to radiation alone. The ability to detect such changes would then warrant a larger scale investigation for patients who might be at risk of longer term sequelae of their treatment (cognitive effects or focal brain injury). Ten patients (2 men, 8 women) were recruited from our affiliated cancer program at the London Regional Cancer Program and were screened for eligibility by the treating radiation oncologist (G. Treatments for their neoplasms could have included surgical resection followed by radiation therapy or primary radiation therapy alone. Three patients had their second visit on the preupgrade scanner, while 3 had their second visit on the postupgrade scanner. A multiecho gradient-echo (preupgrade: multiecho gradient-echo, 1 mm in-plane resolution, 1. A less sensitive form of imaging had to be used postupgrade due to vendor constraints on the number of transmit coils. Microbleeds at visit 1 and visit 2a Patient 1 2 3 4 5 6 7 8 9 10 Visit 1 Microbleeds 7 5 4 0 2 2 0 0 1 5 Visit 2 Microbleeds 4 X X 0 2 0 0 0 X X New Microbleeds 2 Did not return Did not return 0 0 0 0 0 Did not return Did not return 45 Gy. The algorithm uses the phase information that is temporally unwrapped over each echo with the background field contributions being removed with a Gaussian high-pass filter of 11 mm to produce the local frequency shift. The microbleeds on all images were counted, and images were further assessed for vasculature and white matter abnormalities. The On-line Table provides a full description of their cases, treatment, and current clinical status. In all except 1 patient (patient 6), microbleeds occurred in areas of high dose (45 Gy). The potentially long study are clinically stable following treatment for their neoplasms. Imaging biomarkers that could identify patients at risk of delayed radiation sequelae could be useful in this patient population to refine radiation-delivery techniques and to explore mitigating strategies such as pharmacologic interventions. Gross abnormalities were not expected because these patients were clinically stable and monitored by conventional imaging, but it was hypothesized that it could be possible to detect subclinical lesions in the brain receiving high doses of radiation therapy. Patient 1 with microbleeds illustrated by the white arrow on radiation therapy for high-grade neoplasms. Therefore, an investigation into the occurrence of microbleeds and white matter signal changes as a potential imaging biomarker of late radiation effects in patients treated for low-grade brain neoplasms was performed. While some of the imaging indicated potentially demyelinating lesions based on the white matter signal changes, a clinical diagnosis was not possible. Long-term follow-up is required to correlate with clinical end points such as future vascular incidents or cognitive adverse effects to determine whether microbleed monitoring could be important in these patients. Although these patients do not have the frequency of microbleeds as shown in other studies of high-grade neoplasms, the appearance of microbleeds is indicative of endothelial damage within the high-dose region. This suggests the importance of long-term monitoring in this low-grade cohort because these patients could be at a higher potential for symptomatic vascular or cognitive changes later in life. These artifacts may lead to being unable to identify microbleeds in tissue close to the skull. Radiation necrosis: relevance with respect to treatment of primary and secondary brain tumors. Cerebral radiation necrosis: a review of the pathobiology, diagnosis and management considerations. Randomized double-blind placebocontrolled trial of bevacizumab therapy for radiation necrosis of the central nervous system. Radiation induced microbleeds after cranial irradiation: evaluation by phase-sensitive magnetic resonance imaging with 3. Morphology enabled dipole inversion for quantitative susceptibility mapping using structural consistency between the magnitude image and the susceptibility map. Cerebral microbleeds: burden assessment by using quantitative susceptibility mapping. The effects of antiangiogenic therapy on the formation of radiation-induced microbleeds in normal brain tissue of patients with glioma. Prevalence of cerebral small-vessel disease in long-term breast cancer survivors exposed to both adjuvant radiotherapy and chemotherapy. Factors impacting volumetric white matter changes following whole brain radiation therapy. Ischemic stroke and transient ischemic attack after head and neck radiotherapy: a review. Cerebral microbleeds and macrobleeds: should they influence our recommendations for antithrombotic therapies? Cerebral microbleeds: a review of clinical, genetic, and neuroimaging associations. A critical review of the clinical effects of therapeutic irradiation damage to the brain: the roots of controversy. Simultaneous imaging of radiation-induced cerebral microbleeds, arteries and veins, using a multiple gradient echo sequence at 7 Tesla. Intrareader and interreader reproducibility was excellent (intraclass correlation coefficient, 0. Data inclusion and analysis were performed by authors, who are not employees of or consultants for Siemens. The thresholds can be defined at 1-keV increments: low-energy threshold between 20 and 50 keV and high-energy threshold between 50 and 90 keV. The low threshold was set at 22 keV to capture all detected photons, whereas the high threshold was set at 52 keV to avoid low-energy scatter photons while still maintaining relatively high photon counts. Human scans were reconstructed with 2 different kernels: J40f to assess soft tissue and I70f (very sharp) to assess bone. This presentation resulted in 84 blinded image reads (21 subjects 2 readers 2 detectors). Image-quality scores were based on the European Guidelines on Quality Criteria for Computed Tomography. The Wilcoxon signed rank test (paired) with continuity correction was used to compare reader quality scores.
The substance that is the carrier of genetic information flourtown pain evaluation treatment center generic 100pills aspirin visa, found in the chromosomes of the nucleus of a cell ohio valley pain treatment center cheap aspirin 100pills free shipping. Domestication the taming and breeding of previously wild animals and plants for human use regional pain treatment medical center generic 100 pills aspirin with mastercard. Dust storm A storm advanced diagnostic pain treatment center ct cheap 100pills aspirin mastercard, particularly in dry areas, which carries dense clouds of dust, sometimes to a great height, often obscuring visibility to below 1000 m. Ecological footprint the area that is impacted by pollution, resource extraction, development and transport from a particular location. Ecology the science which studies the relations between living organisms and their environment. Eutrophication the process by which an aquatic ecosystem increases in productivity as a result of increased nutrient input. Often this is due to human induced additions of elements such as nitrogen and phosphorous (cultural eutrophication). Forest decline the decline of forest vitality characterized by decreased and abnormal growth, leading eventually to death. The causes include poor management practices; climatic change; fungal, viral and pest attack; nutrient deficiency; and atmospheric pollution. Forest transition the shift from net deforestation to net reforestation in response to such factors as the movement of people from the land to cities. Fracking Also known as Induced Hydraulic Fracturing, this is a technique to release hydrocarbons, and especially natural gas, from rocks such as shale. It involves drilling into the rock and creating fractures by pumping fracturing fluids under high pressure. Genetic engineering the technology involved in manipulating the genes (molecular building blocks) of organisms. Geoengineering A branch of engineering concerned with the design and construction of major structures within and on Earth. Gleying Soil characteristics (including mottling) developed as a result of poor drainage and intermittent waterlogging reducing oxidation or causing the deoxidation of ferric compounds. Groyne A construction, usually at right angles to the coast and jutting into the sea, to combat longshore drifting of sediment and beach erosion. Habitat the place in which an organism lives, characterized by its physical features or the dominant plant types. Heinrich event Deposition of ice berg rafted debris in ocean core sediments because of rapid ice sheet decay during the Pleistocene. Hominid Primates of a family (Hominidae) which includes humans and their fossil ancestors. Hybridization the process that results from a cross between parents of differing genotypes. Hybrids may be fertile or sterile depending on differences in the genomes of the two parents. Hypoxia Reduced oxygen content of water caused by pollution and associated with eutrophication and the development of dead zones. Karstic Relating to a limestone region (or another type of soluble rock) with underground drainage and many cavities and passages caused by the solution of the rock. Keystone species A species whose removal from the ecosystem of which it forms a part leads to a series of adverse effects (including extinctions) in that system. Land cover the physical state of the land, embracing, for example, the quantity and type of surface vegetation, water and earth materials. Laterite A residual deposit formed by the chemical weathering of rock, composed primarily of hydrated iron and aluminium oxides. Little Ice Age A period of glacial advance and cold weather (neoglaciation) that took place between c. Maquis Scrub vegetation of evergreen shrubs, characteristic of the western Mediterranean; broadly equivalent to chaparral. Mass movement the downward movement of material under the influence of gravity on a slope. Photochemical Relating to a chemical reaction which is speeded up by particular wavelengths of electromagnetic radiation. Piezometric Relating to a subterranean surface marking the level to which water will rise within an aquifer. Podzolized Relating to a soil that has been characterized by the acidification of the A horizon, the downward leaching of cations, metals and humic substances and their deposition in the B horizon, often precipitating to form a pan. Radiative forcing A change in average net radiation at the top of the troposphere resulting from a change in either solar or infrared radiation due to a change in atmospheric greenhouse gas concentrations. Secondary forest Woodland which has regenerated and colonized an area after the original (primary) forest has been removed. Steric effect In the context of sea-level change, the change in sea level caused by changes in the volume of water in the oceans in response to temperature changes. Succession the sequence of changes in a plant community as it develops over time and eventually leading to climax. Thermokarst Topographical depressions resulting from the thawing of ground ice (permafrost). Tipping point the idea that passing some hidden threshold will drastically worsen man-made climate change. Recently, the term has come into vogue to describe the moment at which internal dynamics start to propel change previously driven by external forces. Tropospheric Relating to the lowest level of the atmosphere, in which most of our weather occurs. The troposphere lies beneath the stratosphere and its thickness ranges from about 7 km at the poles to about 28 km at the equator. Tundra the zone between the latitudinal limits of tree growth and polar ice, characterized by severe winters and a short growing season. Turbidity A measure of the lack of clearness in a liquid caused by the presence of suspended material. Wallace, that separates the distinct flora and fauna of south east Asia from that of Australasia. The Human Impact on the Natural Environment: Past, Present and Future, Seventh Edition. Association between plant canopies and the spatial patterns of infiltration in shrubland and grassland of the Chihuahuan Desert, New Mexico. Department of Environment (1984) Digest of Environmental Pollution and Water Statistics for 1983. Federal Research Centre for Forestry and Forest Products (2000) Forest condition in Europe. A speculative essay on the role of dogs in Paleoindian colonization and magafaunal extinction. Impacts, Adaptation and Mitigation of Climate Change: Scientific and Technical Analyses.
In 1131ti west virginia pain treatment center morgantown wv discount 100 pills aspirin amex, he was chosen editor of the department of mathematical sci ence for the Journal des Savans pain medication for cancer in dogs order genuine aspirin on-line. He then proceeded on his travels as far as Saloniki pain treatment plan order aspirin 100 pills without a prescription, where he died of the plague cape fear pain treatment center dr gootman order cheap aspirin online, 1779. Being of white color, and firm and tough in texture, it is variously employed by l10op-bendcrs and wheel-wrights. Birch-trees are not uufrequently plaHted along with hazels, for the purpose of pro curing wood to he converted into char coal for forges. The inhabitants of Sweden cw ploy the bark in the tanning of leather, aud, atier burning it to a certain degree, use it as a: cement for broken china and earthen ware. In Norway, it is dried, ground, mixed with meal, and boiled, with other food, for swine. Abounding in resinous matter, slices of the bark are sometimes tied to gether, to make torches. During a scar city of corn, it has, in several instances, Leen ground with bread corn, and suc cessfully used as foocl for men. In most parts of England and America, the twigs of this tree are made into brooms. Ile, accordingly, after some previous tu ition, became usher in three different schools, and then went to Ireland with, dean Smedley. In 173-t, he eugaged, with some coadjutors, in writing tl1e General Historical aud Critical Dictionary, founded on tliat of Bayle, and completed, in 10 vols. In Janumy, 17G5, he was killed by a fall from l1is horse, in the road between London and Hampstead. Ile prodnced a large number of historical and biographical works in the course of his laborious life. He collected fully and faithfully, hut without much discrimination, materials relating to the various subjects of his research, which are calculated to afford important assistance to writers possessed of more taste and judgment. The literature of his country is much indebted to the activity and dili gence ofB. The firm dant in Sumatra, especially about Crue, ness of his character, however, introduced near the south end of the itilancl. Anna forced the Cour ego- is found in caves, particularly 011 the lm1dcrs to choose her favorite (who had. The inforior of the projects, which he was accused of ones arc dark, streaked with blood, or l. Every act of the magistrates, in the Birman empire, was required to be public, and every decree to he made known: even com mcr cial treaties, aud all relations established with foreign countries, were registered among tlie laws of the state, and opeu to the inspection of every one. In 1771, howe,cr, this proviuce recovered its independence, while the priucipal part of the ninuan forces were engaged in a war with China. In this war thPy were victorious, alHl compelled the Chiuese, whom they took prisoners, to iutermarry with the Birman fournlcs, and to remain in their tenitorv. He onkred l1is nephew Mornien, who was a state prisoner, to be drowueu, and, in 178:J, subdue(! His demands were not immediately com plied with, and he marched, with u strong force, into the offondiug country. The buildings amoug the Bir mans are very slight, as the government requires them to he chiefly of wood or ha111boo. There are well-organized fire compauies, for the protection of these combustible edifices. The prince is absolute, but custom obliges him to ask the opiuion of the nobility in important state matters: he is not bound, however, hy their counsel. The chief amusement of the Birmans is their theatre, where declamation, dancing and music alternate. At this time, young women ap pear in public with water, and sprinkle every one they please. The literary Birmaus translate from the English all important works of science, pu. Assam was made 011ce more independent, and rajahs were ap pointed by the company t? In the southern districts, owi1w to the numerous rivers, the soil is marshy and extremely productive. Here grow rice, sugar-cane, fine tobacco, cot ton, indigo, and all the tropical fruits. Timber for ship-lmikling, especially teak or Indian oak, which grows most luxmiantly in a wet soil, on the banks of1frers, is abundant. The government has long been struggliug to maintain its indepemleuce between the British domiuions on the Ga11gcs and tlie Cl1i11ese empire. No part of Eastern Asia seems to apprehend an excess of population, and hence no female in China is suffered to emigrate. Of this the citizens of Loudon have had ocular evidence, in the great state carriage, de. Of the i11hahit ants, 81,G-12 consist of families connected with trade and manufactures. The manufactories are es tablished upon the largest scale, and with tlie most astonishing iugcuuity. A coin i11g-mill was erected in 1781l, which is nuw capahle of striking between 30 and 40,000 pieces of moucy in an hour. At the pin-works, it is said, 12,000 pins can be cut and pointed, and 50,000 pin-heads cau be made from the wire, in an hour. Catherine, in the vicinity of Genoa, having reason to believe that the king would come to inspect the trenches, he sent word to tlie governor to dispose harquebussiers so as to fire on him at a certain signal. At the decbive moment, however, he prernnted the king from going to the fatal spot. So many nego tiations had nut, however, escaped the eye of the king, nor could he remain ig11oraut of their ohjcct. He therefore interrogated the marshal us to his desigus, with prom ises of pardon. It abounds in apples, pears, lemons, oranges, figs, nuts arnl currants, but pro duces little wine. The soil about the town is dry, and the elimate is considered rernarkahly healthy. Though distinguished at cou1t as well as in the field, always feared and praised, he was violent, obstinate and presumptu ous. Henry appoiuted him his ambassador at the comt of llmsscls, to receive the oath of the archduke to the peace of Vervins. The country is, in general, mountainous, and watered by a great number of rivers and brooks: it has some mines of silver and lead. Tbe attachment,vhich he hml shown Frederic,Villiam, while yet crown-prince, procured him the lasting affoction of this short-sighted and prodi gal monarch. Il1sttoP, in the New Testament, is the instructer and spiritual superior ofa Chris tian congregation. They had the supervision of the whole congregation, and its officers, the presbyters and deacons, but without claiming, in the first century, any preem inence or rights of diocesans, which they afterwards acquired, as the church-gov ernment was gradually established. They therefore reserv ed to themselves ouly the most important functions of their spiritual office, as the ordiuation of the clergy, the confirmation of youth, mid the preparation of the holy oil. In the middle ages, they attached to themselves particular vicars, called:mjfra gans, bishops in partibus, or coadjutors, for the performance even of these func tions, which they had reserved to them selves, and for the inspection of all that concerned the church. These applications, wliich were aided bv rich donations made to the churches, a1i,l, in the case of the German bishops, by the influence of the emperor, gave to the bishops of" Germany, pmticularly, a l1igh degree of dignity. The German bishops became princes of the empire, and their influence upon all public affairs was important. The reformation, however, lessened their num ber, and although, in some of the Protest ant countries of the north of Europe, the l1igher clergy have retained the title of bishop, yet tliey have lost the greater part of their former revenues and privileges. States,-but its chief locality is at Schnceberg, in Saxony, from wl1ence the supply of bismuth, in com merce, is principally derived. To procure the metal, the ore requires merely to be reduced to convenient fragments, and heated in furnaces, when the bismuth i,eparates from the earthy matter in which it is engaged, and flows out into cast-iron moulds prepared for its reception.
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