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Search Results: 1 - 10 of 297497 matches for " J; Fertilio "
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Descripción Histológica de las Glándulas Anexas del Aparato Digestivo de Avestruz (Struthio camelus var. domesticus)
Illanes,J; Fertilio,B; Quijada,M; Leyton,V; Verdugo,F;
International Journal of Morphology , 2006, DOI: 10.4067/S0717-95022006000400001
Abstract: in the last decade the upbringing of the ostrich in chile has increased substantially, for this reason it is necessary to increase the studies to improve the production of this species. the literature only points out studies on the physiology and anatomy of this species. the purpose of this work is to contribute to the knowledge of the normal histology from the annexed glands to the digestive system. this study was carried out clinically using 6 healthy ostriches, of which representative samples of the liver, proventricle and pancreas. histological sections were realized, mounted and stained for their comparative analysis under low light microscope to describe with those cited in the hen. the histology of the annexed glands from the digestive system is similar to the described in the hen. however, in the liver the arrangement hepatic cords so is in the central vein such as the portal spaces is radial, characteristic not observed in other species. in relation to the histology of the proventricle, the tubular glands are quite, similar to the fundic glands of the mammals. in the submucosa compound tubulosacular glands are observed, with parietal cells. the pancreas doesn't present prominent differences
Descripción Histológica de los Diferentes Segmentos del Aparato Digestivo de Avestruz (Struthio camelus var. domesticus)
Illanes,J; Fertilio,B; Chamblas,M; Leyton,V; Verdugo,F;
International Journal of Morphology , 2006, DOI: 10.4067/S0717-95022006000300015
Abstract: the rapid expansion and development of the ratites upbringing, it has implied scientific challenges and technicians to face this new type of farms systems in chile. the ostrich (struthio camelus var. domesticus), is an herbivore bird, forages eater and highly selective that present likeness and differences, with other birds and herbivores, among them the ruminant ones. enough envelopes their gastrointestinal anatomy is known, however its histology has not been investigated in depth. for this analysis it was obtained samples of the different segments of the tubular digestive tract of 6 clinically healthy ostriches. they were processed according to the techniques of average histology and analyzed to the optic microscope. the ostrich show an esophagus with longitudinal pleats in all their extension and in the mucosa there are simple and branching tubulosaccular glands. the proventriculus (glandular stomach) present a simple and branching tubular glands in the mucosa and compound tubulosaccular glands in the submucosa; a reinforcement of parallel bundles the compact tissues between the serous and the external longitudinal muscle. a small intestine with abundant villis and without paneth cells. the cecum in his luminal face, present a spiral pleat. the histological comparative analysis, allowed to establishing that the basic structure of the wall of the tubular digestive tract is similar to described in other species
Descripción Histológica de las Glándulas Anexas del Aparato Digestivo de Avestruz (Struthio camelus var. domesticus) Histologic Description of the Annexed Glands from the Ostrich Digestive System (Struthio camelus var. domesticus)
J Illanes,B Fertilio,M Quijada,V Leyton
International Journal of Morphology , 2006,
Abstract: En la última década, la crianza del avestruz en Chile ha ido aumentando sustancialmente, por lo cual se ha hecho necesario incrementar los estudios para mejorar la producción de esta especie. La literatura se ala sólo estudios sobre la fisiología y anatomía de esta especie. Nuestro objetivo es aportar al conocimiento de la histología normal de las glándulas anexas al aparato digestivo. Esta investigación se realizó con 6 avestruces clínicamente sanas, de las que se obtuvieron muestras representativas del hígado, pro ventrículo y páncreas. Se realizaron cortes histológicos, los que fueron te idos y montados para su análisis comparativo bajo microscopio de luz, entre avestruz y gallina. La histología de las glándulas anexas del aparato digestivo es semejante a la descrita en la gallina. Sin embargo, en el hígado los cordones de hepatocitos se disponen en forma radial, tanto alrededor de la vena central como de los espacios porta, característica no observada en otras especies. Con respecto al pro ventrículo, en la mucosa se observan glándulas tubulares simples o ramificadas, semejantes a las glándulas fúndicas de los mamíferos. En la submucosa se observan glándulas túbuloalveolares compuestas con células parietales. El páncreas no presenta diferencias destacables In the last decade the upbringing of the ostrich in Chile has increased substantially, for this reason it is necessary to increase the studies to improve the production of this species. The literature only points out studies on the physiology and anatomy of this species. The purpose of this work is to contribute to the knowledge of the normal histology from the annexed glands to the digestive system. This study was carried out clinically using 6 healthy ostriches, of which representative samples of the liver, proventricle and pancreas. Histological sections were realized, mounted and stained for their comparative analysis under low light microscope to describe with those cited in the hen. The histology of the annexed glands from the digestive system is similar to the described in the hen. However, in the liver the arrangement hepatic cords so is in the central vein such as the portal spaces is radial, characteristic not observed in other species. In relation to the histology of the proventricle, the tubular glands are quite, similar to the fundic glands of the mammals. In the submucosa compound tubulosacular glands are observed, with parietal cells. The pancreas doesn't present prominent differences
Descripción Histológica de los Diferentes Segmentos del Aparato Digestivo de Avestruz (Struthio camelus var. domesticus) Histologic Description of the Different Segments from the Ostrich Digestive System (Struthio camelus var. domesticus)
J Illanes,B Fertilio,M Chamblas,V Leyton
International Journal of Morphology , 2006,
Abstract: La expansión y rápido desarrollo de la crianza de ratites, ha implicado desafíos científicos y técnicos para enfrentar este nuevo tipo de explotación en Chile. El avestruz (Struthio camelus var. domesticus), es un ave herbívora, forrajera y altamente selectiva, que presentan semejanzas y diferencias con otras aves y herbívoros, entre ellos los rumiantes. Se conoce bastante sobre su anatomía gastrointestinal, sin embargo, su histología no ha sido investigada en profundidad. Para este análisis, se obtuvieron muestras de los diferentes segmentos del tubo digestivo de 6 avestruces adultas, clínicamente sanas. Se procesaron de acuerdo a las técnicas de histología corriente y analizadas al microscopio óptico. El avestruz muestra un esófago con pliegues longitudinales en toda su extensión y en su mucosa glándulas tubuloalveolares simples y ramificadas. Un proventrículo (estómago glandular) con glándulas tubulares simples y ramificadas en la mucosa y tubuloalveolares compuestas en la submucosa; un refuerzo de tejido conjuntivo compacto de haces paralelos, entre la serosa y la capa muscular longitudinal externa. Un intestino delgado, con abundantes vellosidades y ausencia de células de Paneth. Un ciego que, en su cara luminal, presenta un pliegue en espiral. El análisis histológico comparativo permitió establecer que la estructura básica de la pared del tubo digestivo es semejante a la descrita en otras especies The rapid expansion and development of the ratites upbringing, it has implied scientific challenges and technicians to face this new type of farms systems in Chile. The ostrich (Struthio camelus var. domesticus), is an herbivore bird, forages eater and highly selective that present likeness and differences, with other birds and herbivores, among them the ruminant ones. Enough envelopes their gastrointestinal anatomy is known, however its histology has not been investigated in depth. For this analysis it was obtained samples of the different segments of the tubular digestive tract of 6 clinically healthy ostriches. They were processed according to the techniques of average histology and analyzed to the optic microscope. The ostrich show an esophagus with longitudinal pleats in all their extension and in the mucosa there are simple and branching tubulosaccular glands. The proventriculus (glandular stomach) present a simple and branching tubular glands in the mucosa and compound tubulosaccular glands in the submucosa; a reinforcement of parallel bundles the compact tissues between the serous and the external longitudinal muscle. A small intestine with abund
Análisis Macroscópico y Microscópico del Desarrollo Embrionario y Fetal en el Gato (Felis catus), en Relación con el Desarrollo de la Vesícula Coriónica y de la Placenta Macroscopic and Microscopic Analysis of the Embryonic and Fetal Growth in the Cat (Felis catus), in Relation to Chorionic Vesicle and Placental Development
Julio Illanes,Cupertina Orellana,Bárbara Fertilio,Victor Leyton
International Journal of Morphology , 2007,
Abstract: La gata doméstica (Felis catus) presenta una gestación que dura, en promedio 62 + 5 días. Sin embargo, establecer la edad gestacional en forma más o menos precisa resulta difícil, ya que no existe un análisis que correlacione el tama o de la vesícula coriónica; desarrollo de la placenta; desarrollo embrionario y Fetal durante la gestación. En este trabajo se utilizaron 12 úteros grávidos, provenientes de gatas mestizas entre 8 y 18 meses de edad, éstos fueron fijados en formol neutro al 10%. Para cada útero se determinó el número de vesículas coriónicas, de cada una se removieron el embrión, feto y la placenta, los que fueron medidos, tarados y fotografiados para su análisis morfológico. Las etapas del desarrollo embrionario y Fetal fueron establecidas conforme a las características y estructuras externas de los embriones y fetos, desde el inicio hasta el término de la gestación. A los 13 días de gestación se observó una gástrula tardía. Embriones somíticos, entre los 13 y 18 días. Embriones prefetales, entre los 18 y 28 días, y fetos desde el día 28 hasta el nacimiento. El amnios se cierra a los 17 días; la formación de la cara y cuello ocurre entre los 16 y 28 días, y de los miembros, entre los 17 y 28 días de gestación. A los 15 días de gestación comienza el latido cardiaco, momento en que se observa el tubo endocárdico. El tabicamiento del corazón se produce entre los 17 y 20 días. El tubo neural está cerrado a los 17 días de gestación. Todos los parámetros estudiados en los diferentes estadios del desarrollo en el gato están significativamente correlacionados (p < 0.0001) The domestic cat (Felis catus) presents a gestation that lasts 62 ± 5 days. However, gestational age determination in a more precise way is difficult, as there are no analysis that correlate chorionic vesicle size; placental development; embryonic and Fetal development during gestation. In this work 12 gravid uteruses from hybrid cats between 8 and 18 months of age were studied; these were fixed in 10% neutral formaldehyde. For each uterus the chorionic vesicles number was determined. The embryos, fetuses and placenta were removed, measured, weighed and photographed for morphologic analysis. The embryonic and Fetal stages of development were determined according to the external characteristics and structures of the embryos or fetuses, from gastrulation to term. At 13 days of gestation a late gastrula was observed; between days 13 and 18, somitic embryos; between days 18 and 28, prefetal embryos; and fetuses from day 28 until birth. The amnion is closed by day 17; differentiation o
Análisis Macroscópico y Microscópico del Desarrollo Embrionario y Fetal en el Gato (Felis catus), en Relación con el Desarrollo de la Vesícula Coriónica y de la Placenta
Illanes,Julio; Orellana,Cupertina; Fertilio,Bárbara; Leyton,Victor; Venegas,Felipe;
International Journal of Morphology , 2007, DOI: 10.4067/S0717-95022007000300002
Abstract: the domestic cat (felis catus) presents a gestation that lasts 62 ± 5 days. however, gestational age determination in a more precise way is difficult, as there are no analysis that correlate chorionic vesicle size; placental development; embryonic and fetal development during gestation. in this work 12 gravid uteruses from hybrid cats between 8 and 18 months of age were studied; these were fixed in 10% neutral formaldehyde. for each uterus the chorionic vesicles number was determined. the embryos, fetuses and placenta were removed, measured, weighed and photographed for morphologic analysis. the embryonic and fetal stages of development were determined according to the external characteristics and structures of the embryos or fetuses, from gastrulation to term. at 13 days of gestation a late gastrula was observed; between days 13 and 18, somitic embryos; between days 18 and 28, prefetal embryos; and fetuses from day 28 until birth. the amnion is closed by day 17; differentiation of the facial region occurs between days 16 and 28, while limb development takes place between days 17 and 28. at 15 days of gestation the heart begins to beat and the endocardial tube is observed. septation of the heart occurs between days 17 and 20 and the neural tube is closed by day 17. all parameters studied in the different developmental stages in the cat are significantly correlated (p < 0.0001)
PERCEPCIONES, ACTITUDES Y CONDUCTAS DE MéDICOS GINECO-OBSTETRAS, RESPECTO AL USO ACTUAL DE TERAPIA DE REEMPLAZO HORMONAL
Ernesto Pizarro O,Mauricio Villarroel C,Oscar Fertilio T,Ana Gadán H
Revista Chilena de Obstetricia y Ginecología , 2008,
Abstract: Resultados de una encuesta con preguntas específicas contestadas por el 97,6% de los ginecoobstetras del Departamento de Obstetricia y Ginecología de Clínica Alemana de Santiago, para establecer un diagnóstico de situación sobre el uso de terapia de reemplazo hormonal (TRH). Se enfatizan preguntas sobre la aceptabilidad de las futuras usuarias tanto de TRH como de terapias alternativas; sobre la percepción de los eventuales beneficios desde un punto de vista general, o específicamente cardiovascular; así como las preferencias de hormonas a usar y predilecciones por las vías de administración; las asociaciones del uso y cáncer mamario; las variaciones sobre el uso de TRH pos publicación del Women Health Iniciative Study; los factores que inciden en la discontinuación del tratamiento; la importancia de edad para el uso, factores relacionados con los costos de las terapias y la preferencia o no de productos originales de investigación. Conclusión: Es necesaria una mayor capacitación sobre el uso de TRH en la actualidad tanto de los ginecólogos especialistas en climaterio y menopausia, como de los que no lo son. A falta de información concluyente sobre esta temática en el momento actual se sugiere que el manejo de este tipo de pacientes sea efectuado por los equipos médicos especializados In orderto set a diagnosis about the use of hormonal replacement therapy (HRT) in peri and postmenopau-sal women by the obstetricians and gynecologists members of our staff, we did a survey that was answered by 97.6% of them. Questions about the future patients desire related to use of HRT or use of natural or alternative medicines were included. There were also questions related to the "risk-benefit" relationship on the use of HRT from an overall point of view as well as from a cardiovascular point of view. The preference of medical doctors (MD) on choice of hormone type in HRT use, in respect to the administration, were also asked. Among others, questions were asked in order to know MD opinions on the relationship with breast cáncer, the changes on acceptability use after the WHI study, reasons for the treatment discontinuation, the importance of women's age and the cost of pharmaceuticals producís on HRT use. Conclusions: Are focused on a need of a solid educational program on use of HRT addressed to gynecologists, as well as to general practitioners, cardiologists, oncologists and others related. Educational programs are also quite beneficial to future users as well as women that are currently under treatment. In the absence of conclusive information available at the p
PERCEPCIONES, ACTITUDES Y CONDUCTAS DE MéDICOS GINECO-OBSTETRAS, RESPECTO AL USO ACTUAL DE TERAPIA DE REEMPLAZO HORMONAL
Pizarro O,Ernesto; Villarroel C,Mauricio; Fertilio T,Oscar; Gadán H,Ana; González V,Marcelo; Ibarra P,Agustín; Parra A,Manuel; Riveros K,Rodrigo; Sandoval S,César; Silva R,Patricio; Valverde P,Víctor;
Revista chilena de obstetricia y ginecología , 2008, DOI: 10.4067/S0717-75262008000100003
Abstract: in orderto set a diagnosis about the use of hormonal replacement therapy (hrt) in peri and postmenopau-sal women by the obstetricians and gynecologists members of our staff, we did a survey that was answered by 97.6% of them. questions about the future patients desire related to use of hrt or use of natural or alternative medicines were included. there were also questions related to the "risk-benefit" relationship on the use of hrt from an overall point of view as well as from a cardiovascular point of view. the preference of medical doctors (md) on choice of hormone type in hrt use, in respect to the administration, were also asked. among others, questions were asked in order to know md opinions on the relationship with breast cáncer, the changes on acceptability use after the whi study, reasons for the treatment discontinuation, the importance of women's age and the cost of pharmaceuticals producís on hrt use. conclusions: are focused on a need of a solid educational program on use of hrt addressed to gynecologists, as well as to general practitioners, cardiologists, oncologists and others related. educational programs are also quite beneficial to future users as well as women that are currently under treatment. in the absence of conclusive information available at the present moment, we advise that patients considering hrt should seek the coun-sel of medical teams whose specialties include menopause
New components of the mercury’s perihelion precession  [PDF]
J. J. Smulsky
Natural Science (NS) , 2011, DOI: 10.4236/ns.2011.34034
Abstract: The velocity of perihelion rotation of Mercury's orbit relatively motionless space is computed. It is prove that it coincides with that calculated by the Newtonian interaction of the planets and of the compound model of the Sun’s rotation.
Simple General Purpose Ion Beam Deceleration System Using a Single Electrode Lens  [PDF]
J. Lopes, J. Rocha
World Journal of Engineering and Technology (WJET) , 2015, DOI: 10.4236/wjet.2015.33014
Abstract: Ion beam deceleration properties of a newly developed low-energy ion beam implantation system were studied. The objective of this system was to produce general purpose low-energy (5 to 15 keV) implantations with high current beam of hundreds of μA level, providing the most wide implantation area possible and allowing continuously magnetic scanning of the beam over the sample(s). This paper describes the developed system installed in the high-current ion implanter at the Laboratory of Accelerators and Radiation Technologies of the Nuclear and Technological Cam-pus, Sacavém, Portugal (CTN).
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