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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The so-called "pseudo-H zone" in a sarcomere is:
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The correct answer is  At the very center of the sarcomere, there is H-zone (the gap between the ends of the thin filaments). The dark line at the center of the H-zone is called M-line. This dark M-line plus the light areas on either side constitutes the pseudo-H zone.