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| Registros recuperados: 108 | |
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| Lazăr,M.; Iacob,O.C.; Solcan,C.; Pașca,S.A.; Lazăr,R.; Boișteanu,P.C.. |
| ABSTRACT Investigations of four roe deer corpses were carried out from May until October 2014, in the Veterinary Forensic Laboratory and in the Parasitic Diseases Clinic, in the Iasi Faculty of Veterinary Medicine. The roe deer were harvested by shooting during the trophy hunting season. The clinical examination of the shot specimens revealed the presence of a highly consistent number of extremely mobile apterous insects, spread on the face, head, neck, lateral body parts, abdominal regions, inguinal, perianal and, finally, all over the body. The corpses presented weakening, anemia and cutaneous modification conditions. Several dozen insects were prelevated in a glass recipient and preserved in 70º alcoholic solution in order to identify the ectoparasite... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Roe deer; Lipoptena cervi; SEM; Histopathology; Iasi county. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000200293 |
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| Moreira,T.A.; Blanca,W.T.; Gundim,L.F.; Castro,I.P.; Medeiros-Ronchi,A.A.. |
| ABSTRACT The aim of this study was to microscopically re-evaluate the melanocytic lesions diagnoses established by the Animal Pathology Laboratory of the Federal University of Uberlândia, in the state of Minas Gerais, Brazil, over a period of eleven years; in addition, to perform a comparative analysis between the conventional histopathological (CH) method and the use of the melanin bleaching (MB) technique with potassium permanganate, sulfuric acid, and oxalic acid solutions. The results of the MB method presented a disagreement in 24.32% of the diagnosis previously by CH, with low agreement (61.0%) and low Kappa coefficient (0.2267). Melanoma was the most frequent lesion, more frequent in elderly and non-breed female dogs. The most frequent melanoma... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Depigmentation; Histopathology; Melanotic pigments. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000501497 |
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| Seixas Filho,J.T.; Santana,A.C.; Martins,A.C.P.F.; Mesquita,E.F.M.; Mello,S.C.R.P.; Hipolito,M.. |
| ABSTRACT Ascites is a pathology characterized by the extravasation of fluid from blood vessels and its accumulation in the abdominal cavity, caused by several associated factors. In this paper, we report the occurrence of this syndrome in breeding male and female Bullfrogs fed a commercial fish feed with 40% crude protein. Liver malformation was already observed due to lack of protein deposition in adult animals from the same spawning. The culture of ascitic fluid showed absence of bacterial growth. Kidney histopathology showed, in both sexes, a large number of tubular structures with strongly eosinophilic hyaline material suggesting colloid growth in both the cortical region and spinal cord. The analysis also revealed granulomas in various stages of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Captive breeding; Feeding; Histopathology; Metabolic disease; Lithobates catesbeianus. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000601955 |
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| Lazăr,M.; Miron,L.; Gostin,I.; Rîmbu,C.; Lazăr,R.; Guguianu,E.. |
| In autumn 2011 in cyprinid farms located in Iasi on the Jijia river, several infections with bacterial strains and macroscopical external cysts on the skin were diagnosedwhich developed as a result of the stress induced by biotic and abiotic factors. On the examination of the cyst contents the presence of numerous spores was observed, mostly of the Dermocystidium spgenusThe samples were taken from the common carp (Cyprinus carpio) and crucian carp (Carassius auratus gibelio)species from the fish farm as well as from the Jijia River. 35 fish were examined, all of them showing cysts, fragmentation of their dorsal fin and congestion of the gills. Histological examination of the skin showed a field of multiple dermal cysts with round light eosinophilic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cyprinids; Pseudomonas; Dermocystidium; SEM (Scanning Electron Microscopy); Histopathology. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000300688 |
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| Carvalho,C.O.; Cuenca,S.C.; Kleeb,S.R.; Gallo,H.; Baldassin,P.. |
| Durante os movimentos migratórios os Pinguins-de-Magalhães chegam às águas da costa brasileira, especialmente nos estados do sul do Brasil até o estado do Rio de Janeiro. Muitos chegam desidratados, hipotérmicos, com lesões traumáticas ou coberto de óleo, exigindo cuidados especiais em centros de reabilitação. Vinte e quatro pinguins juvenis, que chegaram para a reabilitação e posteriormente vieram a óbito apresentaram caquexia, incapacidade de ficar ereto e manter a temperatura do corpo, média de 33ºC ou menos, apresentando desidratação, bradicardia e letargia. Durante a necrópsia, amostras histológicas foram coletadas de fígado, pulmão e rim. Um importante achado histopatológico foi a congestão hepática passiva, encontrada em 50% dos espécimes e a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pinguim-de-Magalhães; Necrópsia; Histopatologia; Magellanic penguin; Gross; Histopathology. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352012000300034 |
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| Videira,M.; Velasco,M.; Tortelly,R.; Clemente,S. C. São; Matos,P.; Sanches,O.; Matos,E.. |
| Este trabalho registra a ocorrência espontânea de ameloblastoma em P. scalare. O tumor foi obtido a partir de um exemplar de Acará Bandeira, sendo fixado, seccionado, e os fragmentos processados para microscopia de luz e microscopia eletrônica de varredura (MEV). O exame macroscópico evidenciou uma massa tumoral que se estendia do rebordo alveolar do maxilar superior à face externa labial. À MEV, a neoplasia apresentou uma série de espículas. Microscopicamente, percebia-se um processo neoplásico constituído por tecido conjuntivo de característica mixoide, ricamente vascularizado, onde eram observados fragmentos de tecido osteoide. A amostra revelou proliferação neoplásica do epitélio odontogênico, onde as células neoplásicas se organizavam na forma de... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Fish; Pterophyllum scalare; Histopathology; Neoplasia. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000401201 |
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| OYARZÚN,MANUEL; DUSSAUBAT,NELSON; GONZÁLEZ,SERGIO. |
| To study the effect of ozone in a chronically damaged lung, we used a bleomycin (BLM) induced pulmonary fibrosis model. Both endotracheal instillation of BLM and O3 exposure both produce lung inflammation and fibrosis. Oxidative stress would be a common mechanism of damage for both BLM and O3. Our aim was to assess lung injury induced by 5 and 60 days of intermittent exposure to 0.25 ppm O3 in rats with bleomycin-induced pulmonary fibrosis. Thirty-day-old Sprague Dawley rats were endotracheally instilled with BLM (1 U/100 g body weight) and, 30 days later, exposed to 0.25 ppm O3 (0.25 ppm 4 h per day, 5 days a week). Histopatology controls were instilled with saline and breathing room air. Histopathological evaluation of lungs was done 5 and 60 days after... |
| Tipo: Journal article |
Palavras-chave: Bleomycin; Histopathology; Lung damage; Ozone exposure. |
| Ano: 2005 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000400007 |
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| Apaydin,Fatma Gokce; Kalender,Suna; Bas,Hatice; Demir,Filiz; Kalender,Yusuf. |
| Among heavy met als, lead is one of the common pollutants found in the environment and biological system. In the present study, streptozotocin-induced diabetic and normal non-diabetic male Wistar rats were given sodium selenite (1.0 mg/kg bw), lead nitrate (22.5 mg/kg bw) and sodium selenite plus lead nitrate (1.0 mg/kg+22.5 mg/kg bw, respectively) through gavage. At the end of 4th week, malondialdehyde (MDA) levels, antioxidant enzyme activities [superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferase (GST)], and histopathological changes of testes were investigated compared to the control group. No significant differences were observed between the control and sodium selenite treated groups. However, lead... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Testicular toxicity; Lead nitrate; Sodium selenite; Streptozotocin; Oxidative stress; Histopathology. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000100068 |
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| Al-Balawi,Hmoud Fares Alkahem; Al-Akel,Ali Sulaiman; Al-Misned,Fahad; Suliman,El Amin Mohamed; Al-Ghanim,Khalid Abdullah; Mahboob,Shahid; Ahmad,Zubair. |
| The aim of this work was to study the effects of sub-lethal exposure of lead acetate on the histopathology of the gills, liver, kidney and muscle and its accumulation in these organs of Clarias gariepinus. Results showed that lead accumulation in the tissues of C. gariepinus was dependent on the exposure period and lead concentration. Gills and liver were the predominant storage tissue and the order of accumulation in tissues was gill > liver > kidney > muscle. Some structural changes were observed in different organs, especially in the gills of the fishes exposed to lead acetate. Epithelial hypertrophy and epithelial lifting were apparent in the gills of exposed fishes. The degeneration of cytoplasm and secondary lamellae was also observed.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Clarias gariepinus; Lead acetate; Accumulation; Histopathology. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000200015 |
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| Scaff,Rejane Maria Cirra; Scussel,Vildes Maria. |
| The histopathological effects of fumonisin B1 (FB1) injected intraperitoneally (IP), was evaluated in catfish (Ictalurus punctatus). Fishes were divided into four Groups. Groups II, III and IV were treated IP with FB1 injections of 1; 5 and 10 mg/kg bw/day, respectively, during 21 days. At the 7th, 14th and 21st day, fishes were sacrificed. The livers were hystologicaly analysed by the light and transmission electronic microscopy. Livers from the 7th day showed organelles alterations, particularly in the granular endoplasmatic reticle, mitochondria, nucleus and nucleolus mediated by FB1 doses. The occurrence of processes involved in the necrosis and apoptosis was detected. At the highest FB1 dose,the livers presented an intense response with an accentuate... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Liver; Catfish; Fumonisin B1; Histopathology; Ultra-structural microscopy. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000200013 |
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| Dalzochio,Thaís; Souza,Mateus Santos de; Simões,Leonardo Airton Ressel; Silva,Gláucia Joselaine Herbert; Rodrigues,Gabriela Zimmermann Prado; Andriguetti,Natália Bordin; Silva,Luciano Basso da; Gehlen,Günther. |
| Abstract: The Paranhana River, located in Southern Brazil, is one of the major tributaries of the Sinos River basin and receives mainly industrial and domestic effluents. In the present study, water physicochemical and microbiological analyses, condition factor, micronucleus test, gill histopathology and metal bioaccumulation in the muscle of the native fish Bryconamericus iheringii collected at two sites (S1 and S2) of the Paranhana River under different degrees of anthropogenic pressures were assessed in four sampling campaigns. Data from water quality parameters, condition factor, mucous cells proliferation in fish gills and bioaccumulation of chromium and manganese in muscle evidenced higher impacts at S2, whereas a higher genotoxic potential was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biomarkers; Paranhana River; Bioaccumulation; Histopathology; Micronucleus. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100421 |
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| Fontaínhas-Fernandes,António; Luzio,Ana; Garcia-Santos,Sofia; Carrola,João; Monteiro,Sandra. |
| Adult Nile tilapia, Oreochromis niloticus, of both sexes were exposed in wastewater from a sewage treatment plant for a period of 4 days. Gill samples were collected after 24, 48, 72 and 96 h and histopathological changes were analyzed by light and scanning electronic microscopy. Gill epithelium of control O. niloticus (freshwater group) was similar to that of other teleosts, while histopathological lesions were observed in exposed fishes. The main histopathological changes were edema, lifting of lamellar and filamentar epithelia and lamellar fusion. Cell proliferation with consequent thickening of the filament epithelium was also found in fishes exposed to the treated sewage water. The severity of the lesions increased with the time of exposure, namely... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gill; Tilapia; Histopathology; Wastewater. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500023 |
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| Georgieva,Elenka; Stoyanova,Stela; Velcheva,Iliana; Yancheva,Vesela. |
| This work aimed to study the effect of new neonicotinoid thiamethoxam on the histological structure of common carp (Cyprinus carpio, L.) gills. Three experimental groups of fish were treated with 6.6, 10 and 20 mg/l thiamethoxam in laboratory conditions. Results showed different histological changes in the gill epithelium, which included lamellar lifting, edema, proliferation of the glandular cells and epithelium, covering the gill filament, fusion and degenerative alterations. The blood circulatory system showed mainly vasodilatation. All thiamethoxam concentrations activated compensatory-adaptive mechanisms, which caused pathological changes in the gills. Moreover, there was a tendency towards the enhancement of the gill histological changes, whose... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insecticides; Histopathology; Freshwater fish; Gills. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000600991 |
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| Velmurugan,Babu; Selvanayagam,Mariadoss; Cengiz,Elif Ipek; Unlu,Erhan. |
| The histopathological effects of dichlorvos, an organophosphate pesticide, on the gill and liver tissues in Cirrhinus mrigala were determined by light microscopy. The fishes were exposed to sublethal concentrations (0.91 and 1.82 ppm) of dichlorvos for 10 days with parallel untreated control. No histopathological effects were observed in control group. Hyperplasia, desquamation, and necrosis of epithelial, epithelial lifting, oedema, lamellar fusion, collapsed secondary lamellae, curling of secondary lamellae and aneurism in the secondary lamellae were observed in gill tissues exposed to dichlorvos. Hepatic lesions in the liver tissues of fishes exposed to dichlorvos were characterized by cloudy swelling of hepatocytes, congestion, vacuolar degeneration,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dichlorvos; Organophosphate pesticide; Cirrhinus mrigala; Histopathology. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500029 |
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| Salvetti,Natalia R.; Canal,Ana M.; Gimeno,Eduardo J.; Ortega,Hugo H.. |
| Numerous experimental models have been developed for the study of the polycystic ovarian syndrome in the rat. In the present study, the syndrome was induced by exposure to constant light. The process was evaluated during its induction and also during its reversion. The estral cycle was analyzed through the vaginal cytology; reproductive parameters were evaluated by mating, as well as the ovarian morphology. All the animals developed the syndrome after 13 weeks of permanent light. The histologic characteristics of the ovaries, at week 15, were similar to those observed in the polycystic ovarian syndrome in human and other species. After regression of the syndrome, there was not difference in any of the evaluated reproductive parameters, when compared with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Histopathology; Ovary; PCOD; Polycystic ovarian syndrome; Rat. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962004000600006 |
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| PAPA,Frederico Ozanam; LOPES,Maria Denise; ALVARENGA,Marco Antonio; MEIRA,Cezinande de; LUVIZOTTO,Maria Cecília Rui; LANGONI,Hélio; RIBEIRO,Erley Felix; AZEDO,Antonio Esteves; BOMFIM,Antonio Carlos de Miranda. |
| The present study aimed to diagnose early embryonic death in 128 mares. Blood samples were collected at the 4th, 7th, 10th, 13th, 16th, 19th, 21st and 30th day after ovulation and the diameter of the corpus luteum was measured. The diameter and characteristics of the embryonic vesicle were evaluated by ultrasonography. Microbiology, cytology and histopathology were carried out in mares with embryonic death. Plasma oestrogen and progesterone concentration were measured by radioimmunoassay. From 128 mares, 17 (13.28%) showed early embryonic death. The embryonic losses took place at 19 days of pregnancy in 47.05% and at 21 days of pregnancy in 29.4% of the mares. The diameter of the corpus luteum in the mares that maintained pregnancy was similar to those... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Embryo mortality; Progesterone; Estrogen; Histopathology; Equine. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95961998000400005 |
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| MARTINS,M. L.; SOUZA,V. N. de; MORAES,J. R. E. de; MORAES,F. R. de; COSTA,A. J. da. |
| The purpose of the study was to evaluate the susceptibility of 4 important cultivated fishes to sporozoan parasites. Fishes were collected bimonthly from a pond for a period of 1 year. Myxobolus colossomatis and Henneguya piaractus were found in the internal organs and gills, respectively. The combined incidence of parasitism by both myxozoa was 97.3% in pacu (Piaractus mesopotamicus), 33.3% in hybrid tambacu (Piaractus mesopotamicus x Colossoma macropomum), 5.6% in tambaqui (Colossoma macropomum) and 0% in carp (Cyprinus carpio). Pacu was the most susceptible fish and was parasitized 79.2% in the gills, 66.7% in the kidney and 50% in the spleen. Histopathological evaluation of the gills showed hemorrhages, inflammatory reaction with mononuclear cells and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Myxozoa; Susceptibility; Histopathology; Cultivated fish. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000200010 |
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| MARTINS,M. L.; SOUZA,V. N. de; MORAES,J. R. E de; MORAES,F. R de. |
| Piauçus (Leporinus macrocephalus), were raised in 300 m² ponds (density of 10 fish/m²) presenting asphyxia signals and daily mortality of 27 fishes. Specimens with 8-cm total body length, were collected for necropsy. Mucus of body surface and pieces of organs were collected and examined microscopically, in wet mounts, stained or in histological sections. The smears examination showed the presence of several spores in the secondary lamellae of the gill filaments, identified as Henneguya leporinicola n.sp (Myxozoa: Myxobolidae). Histopatological study showed epithelial hyperplasia and fulfilling of the spaces between the secondary lamellae, congestion and teleangiectasia sinusoidal. It was also observed hyperplasia of the goblet cells and several cysts of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Myxozoa; Henneguya leporinicola; Leporinus macrocephalus; Histopathology; Description. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000300018 |
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| Registros recuperados: 108 | |
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