Nervous System Flashcards
Neuron
A cell that carries information through the nervous system
Dendrite
A threadlike extension of a neuron that carries nerve impulses toward the cell body.
Axon
A threadlike extension of a neuron that carries nerve impulses away from the cell body.
Nerve
A bundle of nerve fibers that transmit messages to and from the brain and body; nervous system cell.
Sensory neuron
neurons that receive information from the external world and convey this information to the brain via the spinal cord
Interneuron
neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs
Motor neuron
neurons that carry signals from the spinal cord to the muscles to produce movement
Synapse
A junction where information is transmitted from one neuron to the next.