Рет қаралды 66,853
Why are sarcomeres called contractile units? How does the appearance of a sarcomere change when it contracts? Where are sarcomeres located? Why are skeletal and cardiac muscle striated?
Covered topics/terms: myofibrils, sarcomeres, z dics, m line, h zone, a band, i band, actin and myosin (thick and thin filaments), elastic filaments (titin)
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