sarcomere

[ sahr-kuh-meer ]
/ ˈsɑr kəˌmɪər /

noun Biology.

any of the segments of myofibril in striated muscle fibers.

Origin of sarcomere

First recorded in 1890–95; sarco- + -mere

Words nearby sarcomere

sarcolactic acid, sarcolemma, sarcology, sarcoma, sarcomatosis, sarcomere, sarcophagous, sarcophagus, sarcophile, sarcoplasm, sarcoplasmic reticulum

British Dictionary definitions for sarcomere

sarcomere
/ (ˈsɑːkəʊˌmɪə) /

noun

any of the units that together comprise skeletal muscle

Medical definitions for sarcomere

sarcomere
[ sär′kə-mîr′ ]

n.

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

Scientific definitions for sarcomere

sarcomere
[ sär′kə-mîr′ ]

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.