Assertion: muscle fiber's myofibril | /r/HasProperty | long chains of sarcomeres
Facets:
value: very
type: DEGREE
Source sentences:
text: Each muscle fiber contains myofibrils, which are very long chains of sarcomeres, the contractile units of the cell.
text: Each muscle fiber contains myofibrils, which are very long chains of sarcomeres, the contractile units of the cell.