Muscle Microanatomy
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12 Terms
covering that surrounds the entire muscle
epimysium
a bundle of muscle cells
fascicle
covering that surrounds fascicles
perimysium
covering that surrounds individual muscle fiber
endomysium
Many of these put together forms a muscle fiber
made out of bundles of myofilaments
allow muscles to contract
Myofibril
2 types:
1. Actin - thin filaments
2. Myosin - think filaments
Myofilament
AB- Where you only find thin filaments
I band (diagram)
AD- thin filament
Actin (diagram)
AE- boundary between two sarcomeres
z line (diagram)
BC- entire functional unit of muscle
Sarcomere (diagram)
AC- portion of sarcomere containing both actin and myosin
A Band (diagram)
BD- thick filament
Myosin (diagram)
Note 
Flashcards (117)