Saturday, April 21, 2012

Anatomy of a muscle cell




Epimysium - outisde entire muscle
perimysium- around bunch of muscle fibres
Endomysium - connective tissue sheath around each muscle fibre
Sarcolemma - plasma membrane of each muscle fibre.



each muscle fibre is made of a myofibrils.






Muscle Triad -  T - tubule which is an invagination of sarcolemma along wih 2 terminal cisternae ( they are just enlarged areas of sarcoplasmic reticulum storing calcium)


Sliding filament theory


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