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Cardiac muscle

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Muscle fibers <p>Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x</p>

Muscle fibers

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Fiber branching <p>Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x</p>

Fiber branching

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Nuclei <p>Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x</p>

Nuclei

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Striations <p>Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x</p>

Striations

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Intercalated discs <p>Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x</p>

Intercalated discs

Cardiac muscle fibers are unique in that they branch and interlace. This hematoxylin and eosin stained, longitudinal section shows cardiac muscle fibers forming a feltwork in the myocardium of the heart. Cardiac muscle fibers are striated, though the cross striations are not as prominent as in skeletal muscle fibers. 400x

Lipofuscin pigment > <p>Lipofuscin is a pigment residue of lysosomal digestion and appears as fine, membrane-bound yellowish-brown granules in the cytoplasm. Lipofuscin is composed of oxidized lipids and proteins that accumulate in cells during normal aging. Lipofuscin is particularly abundant in long-lived cells such as these muscle fibers and neurons.</p>

Lipofuscin pigment >

Lipofuscin is a pigment residue of lysosomal digestion and appears as fine, membrane-bound yellowish-brown granules in the cytoplasm. Lipofuscin is composed of oxidized lipids and proteins that accumulate in cells during normal aging. Lipofuscin is particularly abundant in long-lived cells such as these muscle fibers and neurons.

Image source > <p>This image is owned by Dr. Jose Luis Calvo and is used under a royalty-free agreement.</p>

Image source >

This image is owned by Dr. Jose Luis Calvo and is used under a royalty-free agreement.

Main Slide Muscle fibers Fiber branching Nuclei Striations Intercalated discs Lipofuscin pigment >Image source >