4 Questions
What gives cardiac muscle fibers a 'stair-step' appearance?
Branching
What connects the ends of cardiac muscle fibers?
Intercalated discs
What do the intercalated discs of cardiac muscle contain?
Desmosomes and gap junctions
How do the mitochondria in cardiac muscle compare to those in skeletal muscle?
Larger and more numerous
Test your knowledge of cardiac muscle histology with this quiz. Explore the unique characteristics of cardiac muscle fibers, including their branching structure, intercalated discs, and mitochondrial features.
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