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Uk pubmed central (ukpmc) requires javascript to function effectively. Either your web browser doesn't support javascript or it is currently turned off. In the latter case, please turn on javascript support in your web browser and reload this page.   feedback ukpmc labs >> home about funders governance contact us europe pubmed central rss feeds journal list grant lookup faq and guides guides ukpmc+ clear search advanced search recent activity  |  clipboard melatonin 2000 and roentgen irradiation-induced acute radiation enteritis in albino rats: an animal model. (pmid:18762261) abstract citations bioentities related articles find all citations by this author (default). generic viagra sample Or filter your current search hussein mr , find all citations by this author (default). 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The small intestine is the most radiosensitive gastrointestinal organ and patients receiving radiotherapy directed to the abdomen or pelvis may develop radiation enteritis. Although roentgen rays are widely used for both imaging and therapeutic purposes, our knowledge about the morphological changes associated with radiation enteritis is lacking. Hypothesis: this study tries to tests the hypothesis that "the intake of melatonin can minimize the morphological features of cell damage associated with radiation enteritis ". viagra india generic Objectives and methods: we performed this investigation to test our hypothesis and to examine the possible radioprotective effects of melatonin in acute radiation enteritis. viagra prices at walmart To achieve these goals, an animal model consisting of 60 albino rats was established. What does viagra pills look like The animals were divided into five groups: group 1, non-irradiated; group 2, x-ray irradiated (x-ray irradiation, 8 grays); group 3, x-ray irradiated-pretreated with solvent ( ethanol and phosphate buffered saline); group 4, non-irradiated-group treated with melatonin , and group 5, x-ray irradiated-pretreated with melatonin. The small intestines were evaluated for gross (macroscopic), histological, morphometric (light microscopy), and ultrastructural changes (transmission electron microscopy). generic viagra online Results: we found morphological variations among the non-irradiated-group, x-ray irradiated-group and x-ray irradiated-intestines of the animals pretreated with melatonin. The development of acute radiation enteritis in x-ray irradiated-group (groups 2 and 3) was associated with symptoms of enteritis (diarrhea and abdominal distention) and histological features of mucosal injury (mucosal ulceration, necrosis of the epithelial cells). buy viagra online scams There was a significant reduction of the morphometric parameters (villous count, villous height, crypt height and villous/crypt height ratio). cheap viagra online australia Moreover, the ultrastructural features of cell damage were evident including: apoptosis , lack of parallel arrangement of the microvilli, loss of the covering glycocalyx , desquamation of the microvilli, vacuolation of the apical parts of the cells, dilatation of the rough endoplasmic reticulum , and damage of the mitochondrial cristae. buy viagra for men In the non-irradiated-group and in x-ray irradiated-intestines of the animals pretreated with melatonin (group 5), these changes were absent and the intestinal mucosal structure was preserved. Conclusion: administration of melatonin prior to irradiation can protect the intestine against x-rays destructive effects, i. E. Radiation enteritis. The clinical applications of these observations await further studies. Read article at sciencedirect (subscription required) formats abstract full text pdf export citation (ris) email citation search by subject unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. generic viagra sample Under the older five kingdom paradigm, animalia was one of the kingdoms. generic viagra sample Under the modern three domain model, animalia represents one of the many groups in the domain eukaryota. Find all citations with this subject (default). buy viagra online australia Or filter your current search animals the process by which chemical compounds provide protection to cells against harmful agents. 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Publicaciones / Destacados
Novedades
JORNADA DIA DEL NIÑO
 
2013-08-21  

El viernes 16 de agosto compartimos con los alumnos de primer y segundo ciclo de primaria una jornada en donde se festejó el día del niño. Los docentes de educación física junto a la colaboración de los alumnos de primer ciclo del nivel secundario, se llevaron a cabo juegos con materiales reciclables, con el objetivo de reforzar la idea de cuidado del medio ambiente.

 
 
Ciclo Viernes de Ciencia año 2013
 
2013-08-13  

El tercer viernes de cada mes importantes personalidades de la ciencia -

investigadores, docentes y científicos del ámbito nacional e internacional - asisten 

al Planetario a exponer los temas de su especialidad bajo el formato de 

conferencias. La actividad comienza con la presentación de “El cielo del esta 

noche”, una descripción en vivo del cielo observable desde Bs. As. en los distintos 

meses del año. (Actividad libre y gratuita en la Sala de espectáculos del Planetario).

Ver programacion completa en: 

http://www.colegiorenacimiento.com.ar/pdf/VIERNES_DE_CIENCIA.pdf

 
 
Alcalinidad fisiológica
 
2013-08-05  

Es poco conocido el significado de alcalinidad, como concepto opuesto a acidez. Incluso este término se interpreta en forma muy limitada, asociado sobre todo al clásico ardor estomacal o a los reflujos. Sin embargo, no es exagerado afirmar que la adecuada comprensión -y la posterior corrección- de la acidificación orgánica, serviría para resolver la mayor parte de los grandes problemas que afligen a la salud pública...

Ver más información en: http://www.unmundodebrotes.com/2013/06/alcalinidad/

 
 
Jabón de caolín y bórax
 
2013-08-05  

Compartimos con ustedes información sobre los jabones de caolín y bórax. Los mismos son utilizados para limpiar y pulir...

Más información enhttp://losjabonesdebelinda.blogspot.com.ar/2013/06/jabon-de-caolin-y-borax.html

 
 
La huertoterapia como esfuerzo recompensado
 
2013-08-01  

El contacto con la tierra nos aporta muchos beneficios físicos y psíquicos.

La observación, el contacto directo y la relación con la tierra y la naturaleza son las mejores fuentes de salud y bienestar que existen. Hasta tal punto resulta beneficioso ese contacto que podemos llamarlo “huertoterapia”.

 

Leer Nota completa en: http://www.larevistaintegral.com/4825/la-huertoterapia-como-esfuerzo-recompensado.html

 
 
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