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Título: Analysis of neogenesis in rabbit skeletal muscles after chronic traction
Fecha de publicación: 1994
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina::611 - Anatomía
Palabras clave: Neogenesis
Skeletal muscle
Resumen: After application of a modified Orthofix mini-extraskeletal fixator, the hind limb of New Zealand White rabbits was osteotomized and then slowly lengthened at a rate of 1 mmlday. After a 20 mm gain in length, the net weight and the length of muscular and tendinous portions were measured and histological examination was carried out in triceps surae muscles. Quantitative analysis showed a significant increase in the gained length of the muscular portion (28.05% to 30.65%). Histological studies of these lengthened muscles showed a generalized increase in cellularity with scanty inflammatory cell infiltration near the myotendinous junction. The increased cellularity is due to the presence of muscle precursor cells characterized by large, oval and pale-stained vesicular nuclei and two prominent nucleoli. The nuclei of these precursor cells were larger and more numerous near the myotendinous junction, and gradually changed into a flattened and more condensed form at a distance from the junction. Occasionally, chains of centrally-located nuclei of primitive myoblasts were also visible. It is concluded that traction neogenesis of the skeletal muscle during limb lengthening does exist and occurs mainly near the myotendinous junction.
Autor/es principal/es: Sun, J.S.
Hou, S.M.
Liu, T,K.
Lu, K.S.
Forma parte de: Histology and histopathology
URI: http://hdl.handle.net/10201/18546
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 5
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol. 9, nº 4 (1994)

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