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Sarcomere

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
sarcomere [′sär·kə‚mir]
(histology)
One of the segments defined by Z disks in a skeletal muscle fibril.

Sarcomere 

a muscle-fiber segment between two dark Z bands that is the main recurring structural unit of myofibrils. Each sarcomere includes a single dark anisotropic A band and two light isotropic I disks. In the middle of each sarcomere is a narrow light H band containing a dark central M band.



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The largest known proteins are the titins, a component of the muscle sarcomere, with a molecular mass of almost 3000 kDa and a total length of almost 27 000 amino acids [16].
Williams PE (1990) Use of intermittent stretch in the prevention of serial sarcomere loss in immobilised muscle.
 
 
 
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