Distribution of muscle fiber type in fetal equine gluteus medius muscle |
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Authors: | Randel H. Raub MS Kevin K. Kline MS Laurie M. Lawrence PhD Peter J. Bechtel PhD |
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Affiliation: | 1. Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, United States of America;2. Computational Biology and Program in Cardiovascular and Metabolic Disorders, Duke-NUS Graduate Medical School, Singapore, Singapore |
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Abstract: | The gluteus medius muscles were removed from a four-year-old female Welsh pony and her nine-month-old fetus. The muscles were divided into sections which were histochemically examined to determine the variation in the distribution of fast-twitch-glycolytic (FG), fast-twitch oxidative glycolytic (FOG), and slow-twitch oxidative (SO) muscle fibers throughout the entire cross-section of the muscle. The fetal muscle had a larger percent of FOG fibers and smaller percent of SO fibers than the same muscle from the mare. Variation in the distribution of muscle fiber type within the fetal gluteus medius was found. This is the first study of fiber type variation in fetal equine muscle. |
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