(a band or bundle of) elastic substance in the body that can be tightened or loosened to produce movement; power
large fibers of animal body
Cases of word usage
1) the large muscle in the front part of the upper arm (biceps)
2) the muscle between the chest and the abdomen (diaphragm)
3) intestinal muscle (peritoneums)
4) a sudden and involuntary tightening of a muscle or muscles (spasm)
5) a tough, thick part like string that joins muscle to bone (tendon)
