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Definition of Sarcomere
1. Noun. One of the segments into which a myofibril is divided.
Definition of Sarcomere
1. Noun. (muscle) The contractile unit of the myofibril of a striated muscle. ¹
¹ Source: wiktionary.com
Definition of Sarcomere
1. [n -S]
Medical Definition of Sarcomere
1. Repeating subunit from which the myofibrils of striated muscle are built. Has A and I bands, the I band being sub divided by the Z disc and the A band being split by the M line and the H zone. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)