심근세포 구조 및 생리
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- 2010.12.05
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- 2010.04
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소개글
심근세포 구조 및 생리
목차
Three Major Types of Cardiac Muscle
Cardiac Muscle
INTERCALATED DISC(syncytium)
ACTION POTENTIALS (AP) IN CARDIAC MUSCLE.
Refractory Period
본문내용
Three Major Types of Cardiac Muscle
1. Atrial muscle
-similar to skeletal muscle
- longer contraction duration
2. Ventricular muscle
-the same as atrial muscle
3. Specialized muscle of the cardiac conducting system
few contractile fibers, limited contractility
self electrical excitation
*Cardiac Muscle
Elongated, branching cells
Actin & myosin myofilaments –skeletal like structure
Intercalated disks: specialized cell-cell contacts
Electrically single unit of cardiac muscle
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