alleryStart learning →Thick filaments are anchored at the:
AP line
BR line
CM line
DN line
Answer & Solution
Correct answer: C. M line
1. Thin filaments anchor at the Z discs.
2. The central region holds only thick filaments.
3. Thick filaments are anchored at their bases at a spot called the M-line.
4. So the answer is the M line.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 10 'Muscle Tissue'_
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