Term
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Definition
| the part of the nervous system that consists of the brain and spinal cord |
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Term
| peripheral nervous system |
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Definition
| the neurons that connect the central nervous system to the rest of the body, including the muscles and glands |
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Term
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Definition
| nerve cells; the basic building block of the nervous system |
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Term
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Definition
| the part of a neuron that produces the energy needed for the activity of the cell |
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Term
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Definition
| the branchlike extensions of a neutron that receive impulses and conduct them toward the cell body |
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Term
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Definition
| a long tubelike structure attached to a neuron that transmits impulses from the neuron cell body |
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Term
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Definition
| a white, fatty substance that insulates axons and enables rapid transmission of neural impulses |
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Term
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Definition
| small fibers branching out from an axon |
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Term
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Definition
| the junction bwtn the axon terminals of the sending neuron and the dendrites of the receiving neuron |
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Term
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Definition
| chemical messengers that carry impulses across the synaptic gaps bwtn neurons |
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Term
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Definition
| a column of nerves w/in the spine that transmit messages to and from the brain |
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Term
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Definition
| the division of the peripheral nervous system that connects the central nervous system with sensory receptors, muscles, and the skin |
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Term
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Definition
| the subdivision of the peripheral nervous system that regulates body functions, such as respiration and digestion |
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Term
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Definition
| a structure at the base of the brain stem that controls vital functions such as heartbeat and breathing |
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Term
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Definition
| a brain structure located at the top of the brain stem that is involved in respiration, movement, and sleep |
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Term
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Definition
| the large mass of the forebrain, consisting of two hemispheres |
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Term
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Definition
| the area of the brain that is responsible for voluntary movement and balance |
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Term
| reticular activating system |
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Definition
| the part of the brain that is involved in attention, sleep, and arousal |
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Term
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Definition
| the structure of the brain that relays messages from the sense organs to the cerebral cortex |
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Term
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Definition
| the neural structure located below the thalamus that controls temperature, hunger, thirst, and various aspects of emotion |
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Term
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Definition
| a group of neural structures at the base of the cerebral hemispheres that is associated with emotion and motivation |
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Term
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Definition
| the bumpy, convoluted surface of the brain; the body's control and information-processing center |
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Term
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Definition
| the nerve fibers that connect the left and right hemispheres of the cerebral cortex |
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Term
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Definition
| areas of the cerebral cortex that are involved in such mental operations as thinking, memory, learning, and problem solving |
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Term
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Definition
| the glands that secrete hormones into the bloodstream |
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Term
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Definition
| chemicals produced by the endocrine glands that regulate specific body functions |
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Term
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Definition
| the genetic transmission of traits from one generation to the next |
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Term
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Definition
| the basic building blocks of heredity |
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Term
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Definition
| microscopic threadlike structures in the nucleus of every living cell, it contains genes, the basic units of heredity |
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