what is m line

Dear student,
Please find below the solution to the asked query

M line is the fine line ​​of myomesin protein present in the middle of A band of the sarcomere of straited muscle myofabrils. It attaches thick filaments to each other and stabliseses their position in the middle of sarcomere.


 
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a little brief please or do u mean slope(m) of a line
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What are you looking for?