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Anatomy and Phys.


Marks the edge of a sarcomere. Z disc or line
This area is located from the tip of one actin myofilament to the tip of another one. H zone
This area is contains myosin myofilaments and actin myofilaments. A band
This area contains actin myofilaments only. I band
This area keeps all the myosin myofilaments in place. M line
This is one individual structural unit in a muscle fiber. sarcomere
These are the larger myofilaments. myosin
These are the smaller myofilaments. actin
The alternating light and dark bands gives skeletal muscle a ______________ appearance. striated
Created by: macjlc13