NEUROMUSCULAR JUNCTION AND MECHANISM OF SKELETAL MUSCLE CONTRACTION
Sequence of events at the neuromuscular junction Here’s a step-by-step breakdown: Action Potential: When a nerve impulse (action potential) reaches the end of a motor neuron (presynaptic terminal), it triggers the release of a neurotransmitter called acetylcholine (ACh) from synaptic…
MOLECULAR MECHANISM OF CONTRACTION IN SKELETAL MUSCLE
Introduction The molecular mechanism of contraction in skeletal muscle involves the sliding filament theory. It occurs when myosin (thick filaments) and actin (thin filaments) interact within the sarcomere, the functional unit of muscle fibers. During muscle contraction, myosin heads bind…
Study Guide
