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Histopathologic Changes of Rat Tracheal Mucosa Following Formaldehyde Exposure International Journal of Morphology
Davarian,Ali; Fazeli,Seyyed Amirhossein; Azarhoush,Ramin; Jafar Golalipour,Mohammad.
Formaldehyde is a chemical, which is used traditionally for fixing the cadaver. It is vaporized during dissection and practical studying on cadaver. Studies show that this vapor can cause some clinical symptoms such as throat, eye, skin and nasal irritation. This study was designed to determine the histopathologic changes of rat tracheal mucosa while all of the experiments were exposed to formaldehyde for 18 weeks. This study was performed on 28, 6-7 weeks postnatal albino Wistar rats. The rats were divided into 3 case groups (E1: 4h/d, 4d/w; E2: 2h/d, 4d/w; E3: 2h/d, 2d/w) and 1 control group. The tracheal specimens were sectioned and stained with H&E technique for histopathologic study. An epithelial disorganization, cilia disappearance, slight...
Tipo: Journal article Palavras-chave: Formaldehyde exposure; Rat; Tracheal mucosa.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022005000400013
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Resistance of CA1 Pyramidal Cells to STZ-Induced Diabetes in Young Rats International Journal of Morphology
Fazeli,Seyyed Amirhossein; Gharravi,Anneh Mohammad; Jahanshahi,Mehrdad; Ghafari,Soraya; Behnampour,Naser; Golalipour,Mohammad Jafar.
The pyramidal cell density of CA1 hippocampal subfield following STZ-induced diabetes in young rats were studied. 12 male albino 6-week Wistar rats were allocated equally in groups of normal and diabetic. Hyperglycemia induced by Streptozotocin (80 mg/kg) in animals of diabetic group. After 5 weeks of study, all the rats were sacrificed and coronal sections were taken from dorsal hippocampal formation of the right cerebral hemispheres and stained with crysel violet. The area densities of the CA1 pyramidal cells were measured and compared among two groups. No significant difference between the densities of two experimental groups was found. The results can arise from the short period of diabetes and also the possible regenerative processes in developing...
Tipo: Journal article Palavras-chave: Pyramidal cell density; CA1; Hippocampus; Diabetes; Rat.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400006
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Can Formaldehyde Exposure Induce Histopathologic and Morphometric Changes on Rat Kidney? International Journal of Morphology
Golalipour,Mohammad Jafar; Azarhoush,Ramin; Ghafari,Soraya; Davarian,Ali; Fazeli,Seyyed Amirhossein.
Formaldehyde is used traditionally for fixing the cadaver, and vaporized during dissection and practical studying on cadaver. This study was designed to determine the histopathologic and morphometric changes of rat kidney while all of the experiments were exposed to formaldehyde for 18 weeks. 28 male albino Wistar rats were divided into the following three experimental groups (E1: 2hrs/d, 2d/w; E2: 2hrs/d, 4d/w; E3: 4hrs/d, 4d/w) and one control group (C). when the exposure period was expired the animals were anaesthetized with chloroform. After cervical dislocation, the abdomen was dissected and the kidneys were taken. The kidney specimens were sectioned and stained with Haematoxylin and Eosin technique for histologic and morphometric study. Data were...
Tipo: Journal article Palavras-chave: Formaldehyde; Exposure; Histology; Kidney; Rat; Morphometry.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400037
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Morphometric Evidences for Regional Variation in Potential of Neural Plasticity International Journal of Morphology
Fazeli,Seyyed Amirhossein; Davarian,Ali; Behnampour,Naser; Golalipour,Mohammad Jafar.
The neural plasticity showing the ability of nervous system to change its structure and function is a well-documented fact. However regional variation within a CNS structure to undergo plastic changes has been shown by limited studies. Along medial-lateral sequences of parasagittal sections, the molecular layer thickness of primary fissure borderlands in rat cerebellar left hemisphere was studied to assess the regional difference in plasticibility. Despite the homogeneity of cerebellar histology, this study showed that there is a significant interlobular difference between ML thicknesses of Prf borderlands. In addition, it revealed that the thickness alters in a significant trend within each borderland. The quantitative heterogeneity of cerebellar...
Tipo: Journal article Palavras-chave: Plasticibility; Molecular layer; Primary fissure; Cerebellum; Rat.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000300010
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