FROM EXCITATION TO CONTRACTION

NEUROMUSCULAR JUNCTION

RESTING MEMBRANE POTENTIAL

Depolarization - Hyperpolarization

ACTION POTENTIAL : PHASES

ACTION POTENTIAL: Ion Current

ROLE OF Na+ and K+ IN AP

TYPE OF ION CHANNELS

FROM EXCITATION TO CONTRACTION

FIBER to MYOFIBRIL to SARCOMERE

AP DOWN T-TUBULES

T-TUBULE NETWORK

THE SARCOMERE

SARCOMERE

CONTROL AND CONTRACTILE PROTEIN

CONTRACTION INVOLVES ACTIN & MYOSIN

SLIDING FILAMENT THEORY

CONTRACTILE ACTIVATION BY Ca2+ INVOLVES TROPONIN & TROPOMYOSIN

TWITCH CONTRACTION

TWITCH to TETANUS

FROM EXCITATION TO CONTRACTION

CARDIAC MUSCLE

CARDIAC ACTION POTENTIAL

SA NODE – ION CURRENT OF AP

VENTRICLES – ION CURRENT OF AP