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  • Microflora patógena  (1)
  • Neuroepithelial bodies  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 186 (1978), S. 203-207 
    ISSN: 1432-0878
    Keywords: Lung ; Radioautography ; Neuroepithelial bodies ; Mitosis ; APUD cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The neuroepithelial bodies (NEB's) of the lung of 29-day-old fetuses and 1-day-old rabbits, under the conditions of this study, neither take up 3H-thymidine nor undergo mitosis. Also the NEB's are not derived at these times from proliferations of other kinds of epithelial cells in the intrapulmonary airways. It is, therefore, suggested that the difference in numbers of NEB's previously observed by us, between the 29-day fetus and the 1-day-old rabbit, is due either to regranulation or acquisition of argyrophilic material by the NEB's or differentiation of other epithelial types. It is concluded that the NEB's are composed of well differentiated cells, which have a greatly reduced capacity to undergo mitosis.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2021-05-19
    Description: Los coliformes fecales se observaron en las campañas de CORPOURABÁ para distintas épocas del año en zonas del Golfo de Urabá, relativamente lejanas de las posibles fuentes costeras, teniendo en cuenta que el tiempo de degradación de la microflora patógena es de orden de horas. El objetivo de este trabajo fue determinar la extensión de las zonas de contaminación por coliformes, originadas por las principales fuentes puntuales en los ríos y zonas urbanas. Con el fin de estudiar la dinámica de los coliformes en el golfo, fue aplicado el modelo hidrodinámico ECOMSED. El transporte de la sustancia fue simulado tanto en sistema lagrangeano, como euleriano. Con lo primero, fue identificado el alcance hasta donde se dispersa la sustancia de cada fuente particular; con lo segundo fue posible establecer los patrones resultantes de contaminación bajo distintas condiciones climáticas del año.
    Description: Fecal coli forms were observed by CORPOURABÁ in distinct seasons of the year in the Golfo de Urabá, in places relatively far from possible costal sources, having into consideration the degradation rate for pathogenic micro flora that is order of hours. The objective of this paper was to determinate the scales of coli forms pollution extension with the origin in point sources in the principal rivers and urban zone. With the aim of studying coli form dynamics in the gulf, a hydrodynamic model ECOMSED was applied. The substance transport was simulated as well in lagrangian as in eulerian systems. With the first one, spatial dispersion from each one of the sources was identified; with the second, resulted contamination patterns were established for different climate conditions.
    Description: Published
    Keywords: Microflora patógena ; Coliformes ; Modelo hidrodinámico ; Golfo de Urabá. ; ASFA_2015::P::Physical oceanography ; ASFA_2015::C::Contamination ; ASFA_2015::H::Hydrology
    Repository Name: AquaDocs
    Type: Journal Contribution , Not Known
    Format: pp.76-89
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