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muscle fibre: Media

biology

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Skeletal muscle
Photomicrograph showing the arrangement of skeletal muscle fibers in cross-section.
© Ed Reschke/Peter Arnold, Inc.
muscle fibre
A cross section of a muscle fibre.
Encyclopædia Britannica, Inc.
Striated muscle
The structure of striated, or skeletal, muscle. Striated muscle tissue, such as the...
Encyclopædia Britannica, Inc.
ultrastructure of a group of myofibrils
Figure 7: Ultrastructure of a group of myofibrils, showing the sarcoplasmic reticulum...
Encyclopædia Britannica, Inc.