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| Olivares,Ricardo; Morgan,Carlos; Pérez,Hernán; Hernández,Alejandro; Aboitiz,Francisco; Soto-Moyano,Rubén; Gil,Julio; Ortiz,Alexis; Flores,Osvaldo; Gimeno,Miguel; Laborda,Jesús. |
| The effect of prenatal malnutrition on the anatomy of the corpus callosum was assessed in adult rats (45-52 days old). In the prenatally malnourished animals we observed a significant reduction of the corpus callosum total area, partial areas, and perimeter, as compared with normal animals. In addition, the splenium of corpus callosum (posterior fifth) showed a significant decrease of fiber diameters in the myelinated fibers without changing density. There was also a significant decrease in diameter and a significant increase in density of unmyelinated fibers. Measurements of perimeter's fractal dimensions from sagittal sections of the brain and corpus callosum did not show significant differences between malnourished and control animals. These findings... |
| Tipo: Journal article |
Palavras-chave: Corpus callosum; Prenatal malnutrition; Rat; Splenium. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602012000100012 |
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| Gil,Julio; Gimeno,Miguel; Laborda,Jesús; Nuviala,Javier. |
| The possibility of characterizing the proximal convoluted tubuli of the dog kidney by means of a unique and objective value, is an attractive idea in order to automate its recognition in anatomy and patology. For this, we obtained a fractal dimension of the proximal convoluted tubuli in the dog kidney by mean box-counting method. The fractal value we obtained is a flat dimension, and it is different than the line fractal dimension of the dog kidney arterial pattern, which was previously calculated by us (Gil et al., 2006). Thus, from optical microscopy images, we are able to obtain a single quantitative measure to discriminate these dog kidney components. This measures can use to automate its recognition. Fractal geometry provides many advantages when... |
| Tipo: Journal article |
Palavras-chave: Fractal; Kidney; Proximal convoluted tubuli. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000500005 |
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