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Z line
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Diagram showing the structure of striated muscle at the myofilament level, with thick myosin filaments, thin actin filaments, crossbridges, Z lines, and one sarcomere labeled. Diagram showing the oblique arrangement of myofilaments in obliquely striated muscle, with thick myosin filaments, thin actin filaments, crossbridges, and angled Z lines labeled. Diagram showing the structure of human striated or skeletal muscle, with labeled cross-sections from whole muscle to fascicle, muscle fiber, myofibril, and sarcomere, highlighting actin and myosin filaments. ultrastructure of a group of myofibrils
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myofilaments in a striated muscle
Figure 2: The arrangement of the myofilaments in a striated muscle. The muscle is...
Encyclopædia Britannica, Inc.
myofilaments in obliquely striated muscle
Figure 3: The arrangement of the myofilaments in obliquely striated muscle.
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.