sarcomere /sar·co·mere/ (sahr´ko-mēr) the contractile unit of a myofibril; sarcomeres are repeating units, delimited by the Z bands, along the length of the myofibril.
sarcomere
sarcomere [sahr´ko-mēr]
sar·co·mere (sär k -mîr )n. One of the segments into which a fibril of striated muscle is divided. |
sarcomere
[sär′kōmir]
Etymology: Gk, sarx + meros, part
the smallest functional unit of a myofibril. Sarcomeres occur as repeating units along the length of a myofibril, occupying the region between Z lines of the myofibril.
sarcomere [sahr´ko-mēr]
the contractile unit of a myofibril; sarcomeres are repeating units, delimited by the Z bands along the length of the myofibril.
Thick and thin filaments are organized into contractile units called sarcomeres. A sarcomere extends from one Z line to the next and represents the fundamental unit of muscle contraction. From Copstead, 1995.
sarcomere
the contractile unit of a myofibril; sarcomeres are repeating units, delimited by the Z bands along the length of the myofibril.
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|