(anatomy) Muscle that is normally controlled by individual volition; skeletal muscle.

(anatomy) Muscle that is not controlled by individual volition; cardiac muscle and smooth muscle.

(anatomy, cardiology) The striated and involuntary muscle of the vertebrate heart.

(anatomy) Involuntary muscle which is found within the intestines, throat, uterus, and blood vessel walls.

(anatomy) Any of usually three deeply situated muscles on each side of the neck of which each extends from the transverse processes of two or more cervical vertebrae to the first or second rib.

Alternative spelling of muscle fiber

plural of muscle fibre

(anatomy) A single cell of a muscle; each muscle fiber contains many myofibrils, the contractile unit of muscles.

plural of muscle fiber

Synonym of superior tarsal muscle. / Synonym of orbitalis. / The circular fibers of the ciliary muscle.