320 resultados para glândulas cutâneas
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Millipedes are macro-arthropods of soil which perform a important role in maintaining the balance of the ecosystem, since they feed on decaying organic matter and because they promotes the soil enrichment, aeration and humidification. These animals are usually found in humid with low light places, under rocks and trunks. The diplopods exoskeleton is much resistant and impregnated with calcium salts. Due the secretion of defense, with strong and unpleasant smell, the animals of this class have few or no predators. Large diplopods populations are not observed, but explosions population can occur for unbalances enviromnmental, by climate change and by use of pesticides that may eliminate potential competitors. In this sense, the millipede Urostreptus atrobrunneus Pierozzi & Fontanetti, 2006, has presented points of infestation in urban centers of Sao Paulo state, causing many disorders of the human population. Because it is a newly described species, little is known of its aspects biological and morphological. Thus, the purpose of this study was to describe the structure and function of the digestive tract of the species U. atrobrunneus by means of histological, histochemistry and ultrastructural techniques. The results demonstrated that the digestive tract of U. atrobrunneus is similar to the descriptions given for other species. The foregut consists of a simple epithelium, composed of cells of different heights, covered by a cuticular intima, leaning on a thin basal membrane, followed by a well-developed muscular layer and an external membrane, around the foregut have a pair of salivary glands. The midgut epithelium has a pseudostratified, supported by a thick basal membrane, followed by a muscular layer and a layer of hepatic cells. The muscle is distributed unevenly coated with an external membrane, this portion is marked by the absence of cuticular intima... (Complete abstract click electronic access below)
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Pós-graduação em Cirurgia Veterinária - FCAV
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Pós-graduação em Medicina Veterinária - FCAV
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Pós-graduação em Cirurgia Veterinária - FCAV
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Pós-graduação em Medicina Veterinária - FCAV
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Pós-graduação em Cirurgia Veterinária - FCAV
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Exercise, in general have the ability to promote health, reduce loss of physical fitness, reduce declines in body composition and prevent disease, and promote improvements in athletic performance, and that's consensual today. Through analysis of body composition and physical fitness, you can diagnose the possible individuals at risk of developing diseases, and fractures caused by falls in the elderly. The DXA tests were used (densitometry by dual beam X-ray) to assess body composition and regional, 1 RM test to evaluate the maximum strength and girth measurements, diameters and skin folds in order to analyze the balance of power muscle with both body composition as regional. The results showed that the variance in bone mass between older content related to the change in the maximum muscular strength of the upper and lower limbs, but the force values are not related to increased muscle mass. The development of muscle strength fulfills a dual function in aging which is to maintain or reduce the rate of loss of lean body mass, and also so the body bone health
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Pós-graduação em Ciência Animal - FMVA
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Pós-graduação em Zootecnia - FCAV
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Pós-graduação em Enfermagem - FMB
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Several types of tumors affect dogs' skin. Simultaneously occurring neoplasms with different histological patterns might be rarely present in the same animal. This paper describes the occurrence of epitheliotropic cutaneous T-cell lymphoma and melanoma in a dog. The animal had nodular lesions in the abdominal region and serpiginous plaques on the dorsal region of the trunk. Cytology evidenced malignant fusiform cells from the abdominal lesions as well as few round cells from the dorsal. The histopathological examination of the abdominal lesions showed dermis with polygonal to spindle-shaped neoplastic cells. The lesion of the dorsal region evidenced neoplastic round cells with generally distinct cell borders and a moderate amount of eosinophilic cytoplasm. Abdominal lesions were positive for Melan A. Dorsal and forelimb lesions were positive for CD3. This study reports the occurrence of epitheliotropic cutaneous T-cell lymphoma and malignant melanoma in a crossbred Boxer dog and discusses the importance of performing immunohistochemical profile to confirm the phenotype of the tumor.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)