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1.
Int. j. morphol ; 31(3): 879-887, set. 2013. ilus
Article in English | LILACS | ID: lil-694971

ABSTRACT

The aim of this study was to group arteries of arterial arch at the superior margin of the abductor hallucis muscle according to their constitutes and provide anatomical basis for reverse bifolicated flap based on it. The constitute, track-way and distribution of the artery, which supply the medial pedis flap, the medial plantar and the medial tarsal flap, especial the arterial arch at the superior margin of the abductor hallucis muscle were observed and analyzed on 81 lower limbs cast specimens and 2 fresh feet specimens. According to their constitute, arterial arch at the superior margin of the abductor hallucis muscle can be classified into 3 types: i) type I, It was constituted mainly by the branch of anterior medial malleolus artery and (or) the medial tarsal artery. ii) type II, It was constituted mainly by the superficial branch of the medial plantar artery; iii) type II, It was constituted mainly by the branch of anterior medial malleolus artery and the branch of medial tarsal artery anastomose with the superficial branch of the medial plantar artery, which was divided into two subtypes according to the different anastomosis of the artery: Type III 1, the type of anastomosed directly was about 48.2 percent, type III 2, The type of anastomosed indirectly was about 24.1 percent. According to the constitute of arterial arch at the superior margin of the abductor hallucis muscle can be classified into three types: The type of anterior medial malleolus artery and medial tarsal artery, the type of superficial branch of the medial plantar artery and the type of mixed. For the type mixed, two subtypes can be classified according to the different anastomosis of the artery.


El objetivo fue clasificar las arterias de arco arterial del margen superior del músculo abductor del hálux según su constitución, y proporcionar una base anatómica para el colgajo bilobulado reverso basado en él. La constitución, recorrido y distribución de las arterias que suministran los colgajos pedicular medial, plantar medial y medial del tarso, en especial el arco arterial del margen superior del músculo abductor del hálux fueron observados y analizados en 81 modelos de miembros inferiores y 2 pies frescos. De acuerdo con su constitución, el arco arterial del margen superior del músculo abductor del hálux se pueden clasificar en 3 tipos: i) tipo I, constituido principalmentepor la rama de la arteria anterior del maléolo medial y/o la arteria medial del tarso. ii) tipo II, constituido principalmente por la rama superficial de la arteria plantar medial, iii) tipo III constituido principalmente por la rama de la arteria maleolar medial anterior y la rama de la anastomosis de la arteria tarsiana medial de la rama superficial de la arteria plantar medial, que se divide en 2 subtipos diferentes de acuerdo con el tipo de anastomosis: tipo III 1, una anastomosis directa que se observó en el 48,2 por ciento, y tipo III 2, una anastomosis indirecta observada en aproximadamente el 24,1 por ciento de los casos. Según la constitución, el arco arterial del margen superior del músculo abductor del hálux se puede clasificar en 3 tipos: el tipo de arteria anterior del maléolo medial y la arteria tarsiana medial, el tipo de rama superficial de la arteria plantar medial y el tipo mixto. En el tipo mixto, pueden ser clasificados 2 subtipos de acuerdo a la diferente anastomosis de la arteria.


Subject(s)
Humans , Arteries/anatomy & histology , Surgical Flaps/blood supply , Hallux/blood supply , Foot/blood supply
2.
Braz. arch. biol. technol ; 51(4): 667-672, June-Aug. 2008. ilus
Article in English | LILACS | ID: lil-622674

ABSTRACT

In this work, several major procedures of the electrophoretic mobility shift assay (EMSA) were modified including swift extraction of the nucleic protein, labeling of the probe and radioautography. The modified assay required shorter time, simplified the nucleic protein extraction, increased the radioactivity of the labeling probe, skipped the tedious process of gel drying, and produced clear images. Its results were comparable, reproducible and stable. It thus has merited for wide application.


A determinação da alteração na mobilidade eletroforética (EMSA), o método de mais ampla utilização para o estudo das interações proteínaácidos nucléicos, é tediosa e difícil de dominar. De acordo com os protocolos dacumentados e com base em nossa prática, nós modificamos os diversos processos principais dessa determinação incluindo no que diz respeito a extração de proteiínas nucleicas, marcação das provas e radioautografia. A determinação modificada requer menor tempo, simplifica a extração de ácidos nucleicos, eleva a radioatividade da prova marcada, evita o processo tedioso de secagem do gel e produz claras imagens. Seus resultados são comparáveis, reproduzíveis e estáveis, merecendo, desse modo, ampla aplicação.

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