Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: Apr 26th, 2025

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Threadlike myofibrils are a type of connective tissue that lies in bundles alongside each other just beneath the cell membrane or sarcolemma. These myofibrils play a fundamental role in the process of muscle contraction.

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