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1

SOBRE LA FRACTURA DEL TEJIDO ÓSEO  

Microsoft Academic Search

Resumen. En este trabajo se presentan dos modelos para la predicción de fracturas óseas debidas respectivamente a sobrecargas no fisiológicas y a cargas fisiológicas actuantes sobre un tejido degradado. En lo que se refiere al primero, se plantea un criterio de fractura desde un punto de vista de Mecánica de Medios Continuos, es decir, macroscópico, pero incluyendo la dependencia de

M Doblaré; J. M García-Aznar; M. J. Gómez-Benito

2

NIVELES DE PLAGUICIDAS ORGANOCLORADOS PERSISTENTES EN MUJERES CON CARCINOMA MAMARIO EN VERACRUZ  

Microsoft Academic Search

The etiology of breast cancer implicates organochlorine pesticides in the prevalence of the illness, due to their action as hormonal disrupters and bioaccumulation in the human body. During the study, 21 samples of adipose tissue adhered to mammary tumors and 21 control samples of abdominal adipose tissue from women subjected to hernia surgery were taken. The organochlorine pesticide levels were

Stefan M. WALISZEWSKI; MEZA HERNÁNDEZ; Rosa M. INFANZÓN

2003-01-01

3

Banco de huesos y tejidos FundaciÛn Cosme y DamiÆn  

Microsoft Academic Search

This is a presentation of Cosmo and Damian Foundation's, Bone and Tissue Bank, emphasizing the philosophical principles of its existence. Also mentioning both the international and local regulations that control its operation. The complexity of the processes is explained as well as a biological summary of the behavior of the grafts and tissues and some applications in otorhinolaringology and in

Luis Eduardo Fandiæo Franky; Lourdes De Larrauri

4

ALMIDÓN MODIFICADO DE YUCA COMO SUSTITUTO ECONÓMICO DEL AGENTE SOLIDIFICANTE PARA MEDIOS DE CULTIVO DE TEJIDOS VEGETALES  

Microsoft Academic Search

SUMMARY Plant tissue culture methodologies were developed five dec- ades ago. However, expensive reagents and faulty technology transfer have prevented farmers in developing countries to ben- efit from these techniques. In Venezuela, cassava (Manihot esculenta Crantz) is a neglected crop harvested by poor farmers in marginal areas. Several constraints plot against large scale cassava cultivation, but the most important ones

Gustavo Romay; Juan Matehus; Armando Gerstl; Rodrigo Rueda; María A. Santana

2006-01-01

5

Valoración pronóstica del carcinoma ductal infiltrante mamario en PAAF. Estudio comparativo de tres sistemas de graduación citológica Prognostic evaluation of invasive ductal carcinoma of the breast by fine needle aspiration biopsy. Comparative study of three cytological grading systems  

Microsoft Academic Search

SUMMARY We have evaluated three different systems of cytologic grading based in morphological parameters in order to define the Cytological Grade (CG) making a correlation with the Histological Grade (HG), Histological Cytological Grade (HCG) and the Histological Mitotic Index (HMI) in 366 FNA biopsies from surgical specimens of the breast without fixation diagnosed as invasive ductal carcinoma. The sensitivity and

Francisco Javier Torres Gómez; Luis Felipe Calle Cruz; Francisco Javier Torres Oliver

6

Relación entre el potencial zeta y la deposición en el lavado de impurezas sólidas sobre tejidos de algodón, poliéster y poliéster-algodón tratados con diferentes aprestos  

Microsoft Academic Search

Deposition of solid impurities of textile substrates, in washing, is due to different causes which can be of mechanical, chemicai, electrical or adsorption origin.\\u000aThe electrical phenomenon is studied by the electrokinetic potential or zeta potential. This potential depends on the fibre surface and the polar medium in which in steeped. For this reason, we used cotton, polyester, and polyester-cotton

Francisco Javier Carrión Fité; José Ribé Pons

1970-01-01

7

Conocimientos y creencias acerca de la donación de órganos y tejidos en la Ciudad de México 1 Beliefs and knowledge about the donation of organs and tissues in México City  

Microsoft Academic Search

This study was developed in order to determine people's beliefs in regard to organ donation in México City. Donating organs and tissues is an act in which a person shows an altruistic beha- viour by ceding some of his\\/her organs or tissues to someone else for the purpose of improving the other's health. In order to find out beliefs on

Georgina Lozano Razo; Sofía Liberman Shkolnikoff; María Emily; Ito Reiko Sugiyama; Patricia Andrade Palos

2005-01-01

8

Doação de órgãos e tecidos no Brasil: podemos evoluir? Organ and tissues donation in Brazil: can we evolve? Donación de órganos y de tejidos en el Brasil: ¿podemos desarrollarnos?  

Microsoft Academic Search

ReSumO: Desde 1997, quando da aprovação da chamada Lei dos transplantes, até os dias de hoje, tivemos várias oportunidades de esclarecimentos à população acerca da doação de órgãos e tecidos no Brasil. Adicionalmente, também tivemos um importante avanço nessa área, possibilitando aos profis- sionais mudanças e melhorias em suas práticas assistenciais. Mas ainda buscamos não somente entender o significado da

Bartira De Aguiar Roza; Ben-Hur Ferraz Neto; Tadeu Thomé; Janine Schirmer

9

La apariencia óptica de las células y los tejidos patológicos desentrañada a través del microscopio electrónico. Bases ultraestructurales de la microscopía óptica The light microscopic appearance of pathologic cells and tissues revealed through the electron microscope  

Microsoft Academic Search

SUMMARY The electron microscope provides detailed information on cell and tissue structure, as well as on their functional modifications under physiologic and pathologic conditions. All these findings have a direct translation into how these same cells look under the light microscope. In the present article, the main light microscopic features of the cell cyto- plasm, the nucleus, and the extracellular

Josep Lloreta Trull

10

El cáncer según su ubicación en el cuerpo: Endocrino y neuroendocrino  

Cancer.gov

Lista de los tipos de cáncer que se forman en los tejidos neuroendocrinos y tejidos del cuerpo que secretan hormonas. Esta página contiene enlaces e información sobre tratamiento, estudios clínicos y otros temas.

11

Subcutaneous photophores in the jumbo squid Dosidicus gigas (d'Orbigny, 1835) (Cephalopoda: Ommastrephidae) Fotóforos subcutáneos en el calamar gigante Dosidicus gigas (d'Orbigny, 1835) (Cephalopoda: Ommastrephidae)  

Microsoft Academic Search

Resumen.- En Dosidicus gigas se observaron pequeñas inclusiones de color amarillo pálido embebidas a distintas profundidades en el músculo del manto, las que corresponden a fotóforos. A nivel histológico los fotóforos están formados por un tejido fotogenerador, que se tiñe de color naranja intenso con tinción tricrómica de Mallory y un tejido vacuolar, que lo rodea y penetra en éste,

Karin B. Lohrmann

2008-01-01

12

Linfedema (PDQ®)  

Cancer.gov

Resumen de información revisada por expertos sobre la anatomía, la patofisiología, las manifestaciones clínicas, el diagnóstico y el tratamiento del linfedema relacionado con el cáncer, una afección en la que se acumula líquido linfático en los tejidos y causa inflamación..

13

Informes de patología  

Cancer.gov

Hoja informativa que describe el tipo de información que puede aparecer en un informe de patología, el cual contiene los resultados de la examinación visual y microscópica del tejido extirpado durante una biopsia o cirugía.

14

Radiography of the Upper Extremity  

MedlinePLUS

... de los tejidos blandos y artritis. El médico le pedirá este procedimiento cuando tenga una lesión en ... Paciente Antes de su examen, un técnico radiólogo le explicará el procedimiento y responderá a sus preguntas. ...

15

Como Lo Hago Yo: Myelomeningocele  

PubMed Central

Fortificación con ádico fólico es efectiva, pero aún falta conciencia en los jóvenes. La legalidad del aborto aumenta la importancia de la consulta prenatal. Realizo la cirugía bajo microcoscopio por razones didácticas. Irrigación continua para reducir la temperatura del tejido. Trato a la plaqueta como tejido viable. No suturo la plaqueta. No cierro músculo. ATB por una semana después de cirugía. Hidrocefalia: Válvula en todos los casos de ventriculomegalia. Médula anclada: Desanclar una sola vez. Chiari II: Revisar la válvula. Incluir en el seguimiento rendimiento escolar, puede indicar obstrucción de la válvula o médula anclada.

Lazareff, Jorge

2014-01-01

16

Consideraciones clínicas sobre la resorción radicular externa por impactación dentaria  

Microsoft Academic Search

La resorción externa por presión (RREP) consiste en una pérdida de tejido dentinario y cementario de las raíces dentarias que se origina a nivel del ligamento periodontal, ocasionada por presiones prolongadas y mantenidas sobre la raíz. Presentamos tres casos con diferente repercusión y tratamiento. Según el distinto grado de afecta­ ción se describe y clasifica el tratamiento de RREP a

Martínez Lozano MA; Forner Navarro L; Sánchez Cortés JL

17

The impact of the International Atomic Energy Agency (IAEA) program on radiation and tissue banking in Uruguay: development of tissues quality control and quality management system in the National Multi-Tissue Bank of Uruguay  

Microsoft Academic Search

BNOT was created and regulated in 1977 and started its operation in 1978 according to the Decree No. 86\\/1977. By the Decree\\u000a 248\\/005 is transformed in the National Institute of Donation and Transplantation of Cells, Tissues and Organs (Instituto Nacional\\u000a de Donación y Trasplante de Células, Tejidos y Órganos—INDT). The organisation has been operating within the State University\\u000a Medical School

I. Álvarez; Jorge Morales Pedraza; M. C. Saldías; H. Pérez Campos; O. Wodowóz; María Acosta; W. Vicentino; W. Silva; G. Rodríguez; D. Machín; O. Álvarez

2009-01-01

18

Clinical Results of an Autologous Engineered Skin  

Microsoft Academic Search

Introduction: An artificial complete skin (dermis and epidermis) model has been developed in the Tissue engineering unit of the Centro\\u000a Comunitario de Sangre y Tejidos del Principado de Asturias (CCST) and CIEMAT. This engineered skin has been employed for the\\u000a treatment of severe epithelial injuries. In this paper, the clinical results obtained with this engineered skin during the\\u000a last 18 months

Sara Llames; Eva García; Verónica García; Marcela del Río; Fernando Larcher; Jose Luis Jorcano; Eva López; Purificación Holguín; Francisca Miralles; Jesús Otero; Alvaro Meana

2006-01-01

19

Arthroscopic arthrodesis of the shoulder: Fourteen-year follow-up  

PubMed Central

Shoulder arthrodesis is indicated in infections, brachial paralysis, irreparable rotator cuff tears, osteoarthritis without indication of prosthesis, rescue after arthroplasty, or after surgery for cancer. Arthroscopic arthrodesis is exceptional. Our aim is presenting our result after 14 years of follow-up of one patient. We present a case report of a 17-year-old male patient. He suffered fracture of left scapula (type V, Ideberg), fracture of left clavicle (type I, Craig), and fracture of left distal ulna. We realized osteosynthesis of clavicle (plate and screws) with the aim of treating this floating shoulder. Electromyography showed partial axonotmesis of axilar nerve. After 7 months of follow-up, axonotmesis was still present. We realized arthroscopic shoulder arthrodesis (three cannulated screws). Fourteen years later, shoulder movement was as follows: Flexion, 0-90°; maximum abduction, 40° with shoulder atrophy; Constant, 47 points; and UCLA, 17 points, without pain. Arthrodesis with screws reaches a subjective benefit in 82% of patients. Percentage of pseudarthrosis is less than in patients treated with plates, although the risks of infections, fractures, and material removal are greater than in patients treated with plates. Shoulder arthroscopic arthrodesis is exceptional, but it allows minimal surgical aggression.

Jimenez-Martin, Antonio; Perez-Hidalgo, Santiago

2011-01-01

20

Arthroscopic arthrodesis of the shoulder: Fourteen-year follow-up.  

PubMed

Shoulder arthrodesis is indicated in infections, brachial paralysis, irreparable rotator cuff tears, osteoarthritis without indication of prosthesis, rescue after arthroplasty, or after surgery for cancer. Arthroscopic arthrodesis is exceptional. Our aim is presenting our result after 14 years of follow-up of one patient. We present a case report of a 17-year-old male patient. He suffered fracture of left scapula (type V, Ideberg), fracture of left clavicle (type I, Craig), and fracture of left distal ulna. We realized osteosynthesis of clavicle (plate and screws) with the aim of treating this floating shoulder. Electromyography showed partial axonotmesis of axilar nerve. After 7 months of follow-up, axonotmesis was still present. We realized arthroscopic shoulder arthrodesis (three cannulated screws). Fourteen years later, shoulder movement was as follows: Flexion, 0-90°; maximum abduction, 40° with shoulder atrophy; Constant, 47 points; and UCLA, 17 points, without pain. Arthrodesis with screws reaches a subjective benefit in 82% of patients. Percentage of pseudarthrosis is less than in patients treated with plates, although the risks of infections, fractures, and material removal are greater than in patients treated with plates. Shoulder arthroscopic arthrodesis is exceptional, but it allows minimal surgical aggression. PMID:21897586

Jiménez-Martín, Antonio; Pérez-Hidalgo, Santiago

2011-04-01

21

Cancellous bone homograft storage with aluminium-polyethylene bags.  

PubMed

In order to transport and cryopreserve human tissues, it is essential to have an easy-to-use recipient where tissues can be kept in sterile conditions. Here we show the results obtained by using Macopharma's tissue freezing bags, an aluminium-polyethylene multilayer bag, in our tissue bank of the Centro Comunitario de Sangre y Tejidos de Asturias. Five hundred and twenty-seven cancellous bone homografts were obtained from hospitals located 120 km around our Bank. The homografts were submitted to bacteriological controls and sent to our bank in these bags. They were stored at -70 degrees C and sent in dry ice to about 50 hospitals, where the tissue was bacteriologically controlled and grafted. Furthermore, the behaviour of these bags at -140 degrees C (vapour nitrogen) or -196 degrees C (liquid nitrogen) was tested. Our results indicate that Macopharma aluminium-polyethylene bags are suitable for the transporting and cryopreserving of cancellous bone homografts. These bags could also be used for keeping tissues in nitrogen containers. PMID:16933042

Meana, A; Martinez, R; Cañal, P; Arriaga, M J; Román, F San; Llames, S; Orós, C; Moreno, A; Fernandez, C

2006-01-01

22

Invertebrate fauna associated with Torpedograss, Panicum repens (Cyperales: Poaceae), in Lake Okeechobee, Florida, and prospects for biological control  

SciTech Connect

Torpedograss, Panicum repens L., is an adventive, rhizomatous grass species that has become an invasive weed of terrestrial, wetland, and aquatic environments in tropical and subtropical regions worldwide. Until recently, strategies for controlling torpedograss in the USA have focused almost exclusively on mechanical and chemical methods, either alone or in combination, with varied results. A survey of the arthropods and nematodes currently associated with the plant in Lake Okeechobee, Florida, was conducted as part of a feasibility study to determine whether torpedograss is an appropriate target for a classical biological control program. Overall, approximately 4,000 arthropods and 400 nematode specimens were collected. Sweep, clipped vegetation, and soil core samples were dominated by representatives of the arthropod orders Hemiptera, Hymenoptera, Diptera, and Acari. Lesion nematodes of the genus Pratylenchus were commonly associated with the roots of torpedograss. None of the organisms collected were torpedograss specialists. Although classical biological control of torpedograss is feasible based on the extent of the infestation, economic losses, resistance to conventional controls, and the report of a potentially host specific natural enemy in India, the botanical position of this grass weed will require a formal risk assessment before proceeding with a classical biological control program. (author) [Spanish] La conota, Panicum repens L., es una especie foranea de pasto que produce rizomas que ha convertido en ser una maleza invasora de ambientes terrestres, pantanosos y acuaticos en regiones tropicales y subtropicales en todo el mundo. Hasta hace un tiempo reciente, las estrategias para controlar conota en los EEUU eran enfocadas casi exclusivamente en los metodos mecanicos y quimicos, solos o en combinacion, con resultados variables. Un muestreo de los artropodos y nematodos asociados corrientemente con esta planta en el Lago de Okeechobee, Florida, fue realizado como parte de un estudio de factibilidad para determinar si conota es una candidata apropiada para un programa de control biologico clasico. En general, especimenes de aproximadamente unos 4,000 artropodos y unos 400 nematodos fueron recolectados. Muestras recolectadas pasando una red sobre vegetacion mezclada, cortando la vegetacion y tomando centros del suelo fueron dominados por representantes de artropodos de los ordenes de Hemiptera, Hymenoptera, Diptera, y Acari. Nematodos en el genero Pratylenchus, que causan lesiones sobre tejido, fueron asociados regularmente con las raices de conota. Ninguno de los organismos recolectados eran especialistas sobre conota. Aunque el control biologico clasico de la conota es factible basado sobre la magnitud de la infestacion, las perdidas economicas, la resistencia hacia los metodos de control convencionales y el informe en la India de un posible enemigo natural especifico a esta planta, la posicion botanica de este pasto maleza requiere una evaluacion de riesgo economico formal antes de continuar con un programa de control biologico clasico. (author)

Cuda, J.P.; Dunford, J.C.; Leavengood, J.M. Jr. [University of Florida, Entomology and Nematology Department, Gainesville, FL 32611-0620 (United States)

2007-03-15

23

Phytoreovirus-like sequences isolated from salivary glands of the glassy-winged sharpshooter Homolodisca vitripennis (Hemiptera: Cicadellidae)  

SciTech Connect

The salivary glands of the Glassy-winged sharpshooter (GWSS), Homalodisca vitripennis Germar 1821, (syn. H. coagulata, Hemiptera: Cicadellidae) were collected and used to produce a cDNA library. Examination by BLASTX analyses identified 2 viral sequences, one a 610-base pair fragment and a second 839-base pair fragment, both of which had significant homology to viruses within the genus Phytoreovirus. Resequencing of the fragments confirmed sequence validities. These sequences were used for in silico protein translation and BLASTP analysis confirming the established homology. While the GWSS is the primary vector of Pierce's disease of grapes, this is the first report that GWSS may be a vector of a phytoreoviruses. Phylogenetic and homology comparisons with BLASTX, BLASTP, and PAUP analyses indicated that the viral sequences isolated from GWSS were closely related to the viruses in the Family Reoviridae, Genus Phytoreovirus, specifically Rice Dwarf Phytoreovirus (RDV). RDV is the only plant reovirus that is not limited to the phloem. Phytoreoviruses are transmitted in a propagative manner by cicadellid leafhoppers (Hemiptera: Cicadellidae), which acquire and transmit them during feeding. Phytoreoviruses have been reported from Agallian, Agalliopsis, Nephotettix, and Recilia, genera of leafhoppers, with evidence for transovarial transmission. The GWSS, although considered to feed primarily from the xylem, ingests from other plant tissues, such as the phloem and mesophyll during probing similar to other leafhoppers. The feeding behavior and wide host range of the GWSS provides an overlapping condition for these two organisms, leafhopper and virus. GWSS will feed from grasses as a transitory host, and on herbaceous and woody plants as primary hosts, which may favor the acquisition and transmission of Phytoreovirus by this leafhopper. Monitoring for an increase of Phytoreovirus spread in graminaceous crops that are in proximity to vineyards or tree crop orchards, where GWSS occurs, such as in southern California, will provide a better understanding of the potential role of the GWSS as a disease vector in the spread of phytoreoviruses and other plant pathogens. The sequences have been deposited in NCBI database under the accession numbers (EF058280) for GWSS-V1, WHSg013C11 and (EF058281) for GWSS-V2, WHSg024H02. (author) [Spanish] Dos fragmentos de 610 y 839 pares de bases fueron aislados apartir de una genoteca de expresion derivada de las glandulas salivales del cucarron de las alas cristalinas (GWSS), Homalodisca vitripennis, Germar 1821 (syn. H. coagulata) el cual es vector de la enfermedad de Pierce de las uvas. Los resultados de alineamiento utilizando BLASTX, BLASTP y el analisis filogenetico utilizando PAUP indicaron que los fragmentos de DNA estaban relacionado de manera mas cercana a viruses en la familia Reoviridae, genero Phytoreovirus, y especificamente a los virus del enanismo del arroz (RDV) y al virus del tumor de las grietas (WTV). El cucarron de las alas cristalinas es un saltahoja que se alimenta no solo del xilema sino tambien del floema y del mesofilo. Saltahojas del genero Agallian, son los principales vectores de WTV, el cual infecta el floema de plantas dicotiledoneas tumoraciones en las hojas y en las raices. WTV es transmitido por saltahojas y es el unico reovirus que es capaz de infectar tanto tejidos del xilema como del floema. El comportamiento alimentario del GWSS y su amplio rango de hospederos que incluye pastos y plantas herbaceas y lenosas podria proveer la interaccion entre estos dos organismos facilitando la adquisicion y tranmision de fitoreovirus por el GWSS. Un adecuado monitoreo de el incremento en la expansion de reoviruses en cultivos de gramineas asociados al los vinedos en donde GWSS ocurre en regiones tales como el sur de California, y en general el sur de los Estados Unidos, podria proveer un mejor entendimiento del papel del GWSS como vector de fitoreovirus y otros patogenos de plantas. Las sequencias se depositaron en la base de datos NCBI con los siguientes numeros de identificac

Katsar, C.S.; Hunter, W.B. [Subtropical Insect Research Unit, United States Horticultural Research Lab, United States Department Agriculture, ARS, Fort Pierce, FL 34945 (United States)]. E-mail: Whunter@ushrl.ars.usda.gov; Sinisterra, X.H. [University of Florida, Institute of Food and Agricultural Sciences, Indian River Research and Education Center, Fort Pierce, FL 34945 (United States)

2007-03-15