Assertion: muscle fiber's myofibril | /r/HasProperty | chains of sarcomeres
Facets:
Source sentences:
text: Force production occurs in the myofibrils, which are chains of sarcomeres running from one end of the fiber to the other.
text: Each skeletal muscle contains long units called myofibrils, and each myofibril is a chain of sarcomeres.
text: The additional contractile proteins appear to be incorporated into existing myofibrils (the chains of sarcomeres within a muscle cell).