RESUMO
In the buccal epithelial micronuclear test, only the higher frequency of cells with any nuclear degenerative changes is considered to be attributable to the adverse influence of environmental factors. Comprehensive examination of 223 children of 5-7 years of age, going to kindergartens and schools has indicated that the frequency of cells with nuclear chromatin condensation and incomplete nuclear lysis decreased when ambient air contamination was increased in the territories of children's establishments and when the child's throat was contaminated with Staphylococcus aureus or the pharyngeal resident microflora inhibited. Some poor conditions of the nasal and buccal mucosae were also associated with the increase or decrease of cell frequencies. It is suggested that nuclear chromatin condensation and nuclear lysis (rather than other signs of cell degeneration and death) reflect natural cell aging. A moderate toxic effect causes epitheliocytic physiological development retardation and a more intensive effect accelerates aging of cells and induces their death.
Assuntos
Transtornos Cromossômicos/epidemiologia , Transtornos Cromossômicos/genética , Doença Ambiental/epidemiologia , Doença Ambiental/genética , Mucosa Bucal/patologia , Área Programática de Saúde , Criança , Pré-Escolar , Transtornos Cromossômicos/diagnóstico , Doença Ambiental/diagnóstico , Feminino , Humanos , Masculino , Programas de Rastreamento/métodos , Testes para Micronúcleos , Federação Russa/epidemiologiaRESUMO
In clause results of research of influence infrared and super high frequency heating on amino acid, fatty fabric and mineral; substances fresh beef are shown meat, after infra-red and the super high frequency of processing, also are shown influence of various modes infra-red heating of processing on amino acid of meat. Advantage of an infra-red way of processing is shown in comparison with super high frequency heating.