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Muscle Tissue

Forms the thick filaments of muscle Myosin
Major protein that forms thin filaments of muscle Actin
The contractile unit of a muscle cell, consisting of overlapping bundles of actin and myosin filaments Sarcomere
Defines the beginning and end of a sarcomere Z-line
Small gap that exists between the distal end of an axon and the motor end plate of a muscle fiber Synaptic Cleft
Found in the middle of the bundle of actin filaments A band
Channels connected to pores in the sarcoplasm channels Calcium Channels
Region composed of only thin filaments I-band
Released from the sarcoplasmic reticulum Calcium ions
Binds to troponin Calcium ions
Region composed of only thick filaments H-zone
Stretches from one end of the bundle of myosin & actin filaments to the other Sarcomere
Created by: bonitasoul