Glossary 4.2
The glossary provides definitions and explanations of key terms and concepts essential to understand the topic in the lesson. Be sure to familiarize yourself with each term before attempting the lesson glossary quiz..
Browse the glossary using this index
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Action Potentialthe voltage difference across a nerve cell membrane when the nerve is excited | |
Afferent Neurona neuron that carries impulses from sensory receptors to the central nervous system; also called a sensory neuron | |
Axonan extension of cytosol that carries nerve signals away from the nerve cell body | |