sarcomere









sarcomere


noun Biology.

  1. any of the segments of myofibril in striated muscle fibers.

noun

  1. any of the units that together comprise skeletal muscle

n.

  1. One of the segments into which a fibril of striated muscle is divided.

  1. The contractile unit of a skeletal muscle fiber. Sarcomeres are divided into bands of filaments made of actin or myosin. During muscle contraction, the filaments slide over each other to cause shortening of the sarcomere.
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