Digital Histology
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Smooth muscle

The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x

Muscle fibers <p>The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x</p>

Muscle fibers

The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x
Nuclei <p>The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x</p>

Nuclei

The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x
Peripheral nerve <p>The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x</p>

Peripheral nerve

The cytoplasm of smooth muscle fibers cut in cross section appears homogeneous since myofibrils are not present.  Actin and myosin myofilaments criss-cross throughout the cytoplasm.  In addition, since the nucleus is located midway along the fiber, most cross sections of the fibers do not pass through the nucleus  1000x
Main SlideMuscle fibersNucleiPeripheral nerve