One of the segments into which a fibril of striated muscle is divided.
Any of the segments making up the fibrils of striated muscles.
One of the repeating contractile segments into which a myofibril is divided, composed of actin and myosin filaments and giving striated muscle its distinctive bands.
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.
Origin of sarcomere
From sarco- (“flesh") +"Ž -mere (“component"), from Ancient Greek ÏƒÎ¬ÏÎ¾ (sÃ¡rx) and Î¼ÎÏÎ¿Ï‚ (mÃ©ros).