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25 Cards in this Set
- Front
- Back
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Acetylcholinestrase |
An enzyme that breaks down acetylcholine |
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Acetylcholine |
A molecule released by neurons at the neuromuscular junction that causes muscle contraction |
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Arachnoid mater |
A delicate fibrous membrane forming the middle of the three coverings of the central nervous system |
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Autonomic nervous system |
A part of the nervous system that innervate smooth muscle, cardiac muscle, and gland cells |
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Central nervous system |
The brain and spinal cord |
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Cerebrum |
Largest most superior part of the brain. Involved in motor function and thought |
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Cerebellum |
Second largest part of the brain. The "automatic" pilot |
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Diencephalon |
Causal part of the prosencephalon composed of the dorsal thalamus, epithalamus, and hypothalamus |
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Frontal lobe |
The anterior part of each cerebral hemisphere, in front of the central sulcus |
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Hypothalamus |
Region of brain regulating body temperature, the autonomic nervous system and endocrine system |
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Medulla oblongata |
Most causal subdivision of the brainstem. Immediately continuous with spinal cord |
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Meninges |
The three membranes covering the brain and spinal cord |
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Mesencephalon |
The midbrain |
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Neurilemma |
The delicate membranous covering that forms the myelin sheath around the axons of the peripheral nervous system |
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Neuroglia |
The supportive cells of the nervous system |
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Neuron |
Any of the conducting cells of the nervous system |
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Neurotransmitter |
Any of several chemical substances that transmit nerve impulses across a synapse to a post synaptic element |
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Occipital lobe |
Most posterior lobe of each cerebral hemisphere |
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Ohm's law |
The principle that the strength or intensity of an unvarying electric current is directly proportional to the electro motive force and inversely proportional to the resistance of the circuit |
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Parietal lobe |
The middle part of each cerebral hemisphere behind the central sulcus |
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Pons |
The band of nerve fibers in the brain connecting the lobes of the midbrain, medulla and cerebrum |
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Somatic nervous system |
Section of the nervous system responsible for sensation and control of muscles |
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Synapse |
The junction across which a nerve impulse passes from an axon terminal to a neuron, a muscle cell, or a gland cell |
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Temporal lobe |
The lateral lobe of each cerebral hemisphere |
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Ventricle |
The ventricles of the brain are a communicating network of cavities filled with cerebrospinal fluid (CSF) |
