Summary: Muscle From Home 3
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9.30 muscle from home 3
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special funcitonal properties of skeletal muscle
irritability
contractility
extensibility
elasticity -
ability to receive and respond to a stimulus
irritability -
ability to forcibly shorten when an adequate stimulus is received
contractibility -
ability of muscle cells to be stretched
extensibility -
ability to recoil and resume resting length after stretching
elasticity -
one motor neuron and all the skeletal muscle cells stimulated by that neuron
motor unit -
association site of axon terminal of the motor neuron and sarcolemma of a muscle
neuromusclar junction -
molecules released by neurons upon arrival of nerve impulse (action potential) at the axon terminal
neurotransmitter -
gap between nerve and muscle; filled with interstitial fluid
synaptic cleft -
the nerve and muscle never __
touch
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