Term
Sensory (or afferent) neurons |
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Definition
carry information towards the Central Nervous System from sensory receptors |
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Motor (or efferent) neurons |
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Definition
carry information away from the Central Nervous System to and effector. |
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Definition
are located between Motor and Sensory Neurons within the CNS |
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Definition
branches of a neuron which provide a area for picking up signals |
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Definition
the point where one neuron meets another neuron |
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Definition
the neuron sending the message |
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Definition
the neuron receiving the message |
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Definition
separates the presynaptic and postsynaptic neurons |
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Definition
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Definition
large clusters of nerve cells |
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Term
Peripheral Nervous System |
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Definition
nerves branching from the CNS and the ganglia |
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Definition
receives sensory information and directs voluntary movements |
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Definition
regulates involuntary reactions |
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Definition
thinking conscious part of the brain; consists of two hemispheres |
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Definition
connects the two cerebral hemispheres |
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Definition
relay station of the brain for all sensory information except smell |
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Definition
maintains homeostasis by regulating blood pressure, heart rate, breathing, digestion, and body temp. emotions and serves as master clock |
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Definition
controls sensory-motor coordination; it integrates info from the motor cortex and sensory pathways to produce movement |
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Definition
reflex centers to regulate rhythm of breathing, rate of heartbeat, and blood pressure. |
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includes several brain structures, largely responsible for emotions |
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Definition
tube of neural tissue running from the medulla to the bottom of the rib cage |
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Term
Sympathetic Nervous System (Autonomic Nervous System) |
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Definition
gears the body for stress or emergency situations |
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Term
Parasympathetic Nervous System (Autonomic Nervous System) |
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Definition
adjusts body functioning so that energy is conserved during non-stressful times |
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Definition
bridges higher and lower brain centers; part of brain stem |
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Definition
pre-wired automatic response to a stimulus |
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