Term
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Definition
| The repeating unit of a myofibril |
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Term
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Definition
| The functional unit of the nervous system, a nerve cell |
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Term
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Definition
| The interface between a nerve cell and another cell |
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Term
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Definition
| A chemical released by a neuron. This chemical travels across the synaptic cleft, allowing the neuron to communicate with another cell |
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Term
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Definition
| One motor neuron and all the muscle fibers it innervates |
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Term
| All-or-none law of skeletal muscle contraction |
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Definition
| An individual muscle fiber contracts with equal force in response to each action potential |
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Term
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Definition
| A stimulus too small to create an action potential in a neuron |
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Term
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Definition
| A stimulus strong enough to create one action potential in a neuron |
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Term
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Definition
| Stimuli of increasing strength that create more action potentials along more neurons |
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Term
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Definition
| A stimulus which is stronger enough to create action potentials in all the motor neurons innervating a whole muscle |
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Term
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Definition
| The state of partial contraction in a muscle, even when the muscle is not being used |
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