Infectious body

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  • Volume 2 of the four-volume The Facts On File Encyclopedia of Health and Medicine presents the body systems that nourish, cleanse, and protect the body. These are the systems of cells and fluids and the structures that transport them throughout the body. Though distinct in their functions and purposes, these systems overlap and integrate with one another in inseparable ways. The Cardiovascular System Volume 2 opens with “The Cardiovascular System,” the structures and functions that carry blood throughout the body.

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  • Nguyên nhân Tác nhân gây bệnh nhiễm trùng virus dưới da và hoại tử lμ giống Parvovirus, cấu trúc acid nhân là ADN, đường kính 22 nm. Virus ký sinh trong nhân tế bào tuyến anten, tế bào hệ bạch huyết, tế bào mang, tế bào dây thần kinh, không có thể ẩn (occlusion body) mà có thể vùi (inclusion body), chúng làm hoại tử và sưng to nhân vật chủ Triệu chứng - Tôm nhiễm bệnh IHHNV thường hôn mê, hoạt động yếu, chủy biến dạng. Tôm sú (P.

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  • Angiogenesis is an extension process of the cardiovascular network within human body. It is usually triggered by the demand of oxygen and nutrients from the fast growing tissue and uncontrollably dividing cells, as seen during wound healing and tumor progression. This book focuses on tumor angiogenesis and includes 8 chapters written by highly experienced scholars from five different countries.

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  • The recognised supervisory bodies for local public audit would investigate complaints or disciplinary cases, as well as issues identified during their monitoring process. They would also be able to stop a firm being eligible for appointment as a statutory local public auditor and remove them from the register of eligible local public auditors. We are considering whether the overall regulator (i.e.

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  • Now is the time to align CHWs with broader health system strengthening efforts at the primary care level, improve CHW financing, and broadly disseminate recent advances in technology, diagnostics and treatment to support community-based health workers. The MDGs have provided the impetus for a new generation of investments accompanied by international progress monitoring of progress through the Countdown to 2015 initiative and the UN Commission on Information and Accountability for Women’s and Children’s Health.

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  • Epsilon toxin (ETX) is produced by strains ofClostridium perfringensclas-sified as type B or type D. ETX belongs to the heptameric b-pore-forming toxins including aerolysin and Clostridium septicumalpha toxin, which are characterized by the formation of a pore through the plasma membrane of eukaryotic cells consisting in ab-barrel of 14 amphipaticbstrands.

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  • The top layer of skin is the epidermis. The epidermis is thin, averaging only 0.2 millimeters thick (about 1/100 of an inch). It protects the deeper layers of skin and the organs of the body from the environment. Keratinocytes are the main cell type of the epidermis. These cells make an important protein called keratin that helps the skin protect the rest of the body. The outermost part of the epidermis is called the stratum corneum. It is composed of dead keratinocytes that are continually shed as new ones form. The cells in this layer are called squamous cells...

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  • With the increasing complexity of modern medicine, we now have literally thousands of possible investigative techniques at our disposal. We are able to examine our patient’s serum and every other body fluid down to the level of individual nucleotides, as well as being able to perform precise imaging through CT, MRI and other imaging technologies. The problem we have all faced, especially as senior medical students or junior doctors is: which test should we use in a given setting? What hazards are associated with the tests?...

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  • Full term infants that are disproportionately small at birth, however, may be the result of short-term insults in the third trimester, for example, that promote weight and muscle loss but spare brain and body length (Gould, 1989). These infants may have the ability to catch up in growth where the environment fulfills health and nutritional needs (Adair, 1999). In industrialized countries, access to intensive care technology influence an infant’s long-term prognosis (Dashe et al 2000), although such technology is not available to the majority of Indonesian women. ...

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  • Sciences (EHS) is a dynamic group of faculty and students exploring the impact of chemical, biological, and physical agents on human health. We work to discover the sources and distribution of these agents; understand individual response at the molecular, cellular, organ, and whole-body levels; assess environmental risk and devise prevention and intervention strategies. Current thinking on the environment and health has propelled us to consider how the built environment and the social environment influence human health beyond the traditional focus on hazardous agents.

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  • We live in a world heavily populated by microorganisms of astonishing diversity. Most of these exist in our external environment but certain classes are normally harboured within our bodies, especially colonising mucosal surfaces. Depending on the circumstances, infectious disease can arise from organisms living exogenously or endogenously, and a knowledge of common pathogens at specific sites often provides a good basis for rational initial therapy.

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  • Hình 14: Tôm sú mang chuyển màu vàng, thân nhợt nhạt Bệnh nhiễm trùng virus dưới da và hoại tử (Infectious hypodermal ADN haematopoietic necrosis virus- IHHNV) Tác nhân gây bệnh - Giống Parvovirus, hình cầu, đường kính 22nm. - Virus ký sinh trong nhân tế bào tuyến anten, tế bào hệ bạch huyết, tế bào mang, tế bào dây thần kinh, có thể vùi (inclusion body), Dấu hiệu bệnh lý: - Tôm nhiễm bệnh thường hôn mê, hoạt động yếu, chủy biến dạng (hình 15). ...

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  • Allergic Conjunctivitis This condition is extremely common and often mistaken for infectious conjunctivitis. Itching, redness, and epiphora are typical. The palpebral conjunctiva may become hypertropic with giant excrescences called cobblestone papillae. Irritation from contact lenses or any chronic foreign body can also induce formation of cobblestone papillae. Atopic conjunctivitis occurs in subjects with atopic dermatitis or asthma.

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  • TB spreads through the air from one person to another. The bacteria are put into the air when a person with active TB disease of the lungs or throat coughs or sneezes. People nearby may breathe in these bacteria and get infected. When a person breathes in TB bacteria, which may settle in the lungs and begin to grow. From there, they can move through the blood to other parts of the body, such as the kidney, spine, and brain. TB in the lungs or throat can be infectious. This means that the bacteria can spread to other people. TB...

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  • Infection can spread through direct contact with an infected area of someone’s body or contact with contaminated hands or any substance or surface that holds infectious material (i.e., saliva, mucous, diaper changing table). Many objects can absorb, retain, and transport germs. In childcare settings, the surfaces of floors, activity and food tables, diaper changing tables, doorknobs, toilet room surfaces, toys, and fabric objects may have many germs on them if they are not properly cleaned and sanitized.

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  • Sociality evolves when the net benefits of association with conspecifics exceed the costs. Individuals that live in social groups may be less vulnerable to predation, better able to defend valued resources, and able to benefit from pooling information, but they must also cope with resource competition from other group members, the threat of infectious diseases, and the risk of infanticide (Krause and Ruxton 2002).

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  • The spleen is the intra-abdominal organ most often injured as a result of blunt trauma. The spleen is the most vascular organ of the body and, for this reason, splenic injury is potentially life threatening. The most common mechanism for such injury is motor vehicle collision. Left lower rib fractures are suggestive of spleen injury, although an intact rib cage does not exclude spleen trauma.

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  • About a third of the world’s population is infected with Mycobacterium tuberculosis. Tuberculosis remains one of the biggest killers among infectious diseases, with up to three million people dying from tuberculosis each year (Dye 1999). Diagnosis of tuberculosis generally relies on smear microscopy and culture of the sputum. The disease typically results in progressively destructive lung lesions but may affect almost any part of the body, usually with advanced wasting and death inmore than half of cases in the absence of intervention.

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