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Registros recuperados: 6
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Cardiac and pulmonary alterations in symptomatic and asymptomatic dogs infectednaturally with Leishmania (Leishmania) chagasi BJMBR
Alves,G.B.B.; Pinho,F.A.; Silva,S.M.M.S.; Cruz,M.S.P.; Costa,F.A.L..
Fifteen symptomatic and seven asymptomatic dogs infected naturally with Leishmania chagasi were examined in order to identify the presence of parasites and changes in heart and lung. Histopathological, cytological, and immunohistochemical analyses were performed on samples of heart and lung tissues. An inflammatory reaction characterized by inflammatory mononuclear, perivascular and intermuscular infiltrates was observed in both symptomatic and asymptomatic animals on histopathological analysis of the heart. In the lung, there was thickening of the alveolar septa due to congestion, edema, inflammatory infiltrate, and fibroblast proliferation. A focal reaction was observed although a diffuse reaction was present in both groups. On cytological examination,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Leishmaniasis; Dog; Lungs; Heart.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000300014
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Interplay between the morphometry of the lungs and the mode of locomotion in birds and mammals Biol. Res.
FIGUEROA,DANIELA; OLIVARES,RICARDO; SALABERRY,MICHEL; SABAT,PABLO; CANALS,MAURICIO.
We studied the lung diffusion parameters of two species of birds and two species of mammals to explore how structural and functional features may be paralleled by differences in life style or phylogenetic origin. We used two fast-flying species (one mammal and one bird), one running mammal and one bird species that flies only occasionally as models. The harmonic mean thickness of the air-blood barrier was very thin in the species we studied. An exception was the Chilean tinamou Notoprocta perdicaria, which only flies occasionally. It showed an air-blood barrier as thick as that of flightless Galliformes. We found that the respiratory surface density was significantly greater in flying species compared to running species. The estimated values for the oxygen...
Tipo: Journal article Palavras-chave: Diffusing capacity; Lungs; Flight.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602007000200010
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Anatomia visceral comparada de seis espécies de Amphisbaenidae (Squamata: Amphisbaenia) Rev. Bras. Zool.
Navega-Gonçalves,Maria Eliana C..
Visceral anatomy of amphisbaenids Amphisbaena vermicularis Wagler, 1824; Anops kingii Bell, 1833; Aulura anomala Barbour, 1914; Bronia bedai Vanzolini, 1991; Cercolophia cuiabana Strüssmann & Carvalho, 2001, and Leposternon microcephalum Wagler, 1824 were comparatively described and the size and the position of the organs in the pleuroperitoneal cavity was established in relation to the ventral scutellation. The main results were: the right lung presents different degrees of size reduction compared to the left lung, being conspicuous only in A. anomala, and L. microcephalum; the limit between small and large intestines is clear due to the presence of a caecum; the right lobe of the liver is larger than the left one, but its length varies within the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alimentary tract; Amphisbaenians; Gonads; Kidneys; Lungs.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300015
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Anatomicosurgical arterial segmentation of the cat lungs (Felis catus domesticus, L., 1758) Braz. J. Vet. Res. Anim. Sci.
OLIVEIRA,Fabrício Singaretti; BORGES,Edson Moreira; MACHADO,Márcia Rita Fernandes; CANOLA,Júlio Carlos; RIBEIRO,Antonio Augusto Coppi Maciel.
The aim of this research was to establish the anatomicosurgical segments through lobation and arterial intralobar branching in cats lungs. After dissection of twenty lungs, it was noted that the right pulmonary artery, usually, emits a branch to the cranial lobe and a branch to the middle lobe, arising together from a trunk. A large branch irrigates the caudal lobe in most of the cases. Two branches arising in common origin from the caudal lobe branch irrigate the accessory lobe. The left pulmonary artery originates a trunk that, in most of the cases, emits a branch to the cranial and a branch to the caudal part of the left cranial lobe. It can be concluded that the right lung is formed by four and the left by two lobes, and variations occur in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arterial segmentation; Cats; Lungs.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962001000600001
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Lipid peroxidation and total radical-trapping potential of the lungs of rats submitted to chronic and sub-chronic stress BJMBR
Torres,R.L.; Torres,I.L.S.; Gamaro,G.D.; Fontella,F.U.; Silveira,P.P.; Moreira,J.S.R.; Lacerda,M.; Amoretti,J.R.; Rech,D.; Dalmaz,C.; Belló,A.A..
Exposure to stress induces a cluster of physiological and behavioral changes in an effort to maintain the homeostasis of the organism. Long-term exposure to stress, however, has detrimental effects on several cell functions such as the impairment of antioxidant defenses leading to oxidative damage. Oxidative stress is a central feature of many diseases. The lungs are particularly susceptible to lesions by free radicals and pulmonary antioxidant defenses are extensively distributed and include both enzymatic and non-enzymatic systems. The aim of the present study was to determine lipid peroxidation and total radical-trapping potential (TRAP) changes in lungs of rats submitted to different models of chronic stress. Adult male Wistar rats weighing 180-230 g...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Stress; TBARS; TRAP; Free radicals; Lungs; Oxidative stress.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000200004
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Bacterial agents associated with respiratory disease in goat. Repositório Alice
VIDAL, C. E. S.; SANTA ROSA, J.; JOHNSON, E. H..
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Caprino; Doença respiratória; Bactéria; Pulmão; Goats; Respiratory disease; Lungs.
Ano: 1991 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/514344
Registros recuperados: 6
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