Excitation-contraction coupling

Layer 3 — Biologyin the Musculoskeletal And Integumentary subtree

Depolarisation → DHPR (L-type Ca²+ channel in T-tubule) → ryanodine receptor → SR Ca²+ release → troponin C → tropomyosin shift → actomyosin cross-bridge cycling.

Related concepts

Sliding-filament model
Action potential

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