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        | Middle of three layers (meninges) surrounding the brain and spinal cord |  | 
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        | Controls balance and muscle coordination; located inferior to the cerebrum |  | 
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        | Channel connecting the third and fourth ventricles and containing cerebrospinal fluid |  | 
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        | Two hemispheres divided by the medial longitudinal fissure; largest portion of the mammalian brain |  | 
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        | Network of capillaries located in the roof of ventricles; contributes to production of cerebrospinal fluid |  | 
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        | Large band of nervous tissue that connects the two cerebral hemispheres |  | 
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        | Outer portion of the cerebrum |  | 
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        | Twelve pairs of nerves that leave the brain |  | 
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        | Region of the brain made up of the thalamus and hypothalamus |  | 
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        | Tough connective tissue layer that serves as the outer layer of the meninges |  | 
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        | Areas of the brain and spinal cord containing cell bodies, dendrites, and unmyelinated axons; found in the cerebral cortex of the brain and inner portion of the spinal cord |  | 
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        | the folds of the cerebral cortex |  | 
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        | A region below the lateral ventricles; involved with emotional states and converting short-term memory to long-term memory |  | 
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        | Pituitary gland; controls a number of endocrine glands |  | 
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        | Part of the diencephalon; inferior to the thalamus and responsible for regulation and maintenance of internal homeostasis by controlling body temperature, appetite, fluid balance, etc. |  | 
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        | The most inferior portion of the brain stem; contains centers for heart rate, blood pressure, and respiration. Contains reflex centers controlling coughing, sneezing, hiccupping, etc. |  | 
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        | Between the pons and the diencephalon |  | 
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        | Contains cell bodies of neruons that synapse with neurons of the olfactory nerves |  | 
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        | Crossing point of the optic nerves |  | 
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        | Innermost of the meninges layers |  | 
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        | Endocrine gland located in the roof of the third ventricle; secretes melatonin |  | 
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        | Anterior to the medulla; contains nerve tracts that connect the cerebellum with other parts of the brain and spinal cord |  | 
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        | Grooves between gyri of the brain |  | 
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        | Part of the diencephalon, superior to the hypothalamus; serves as a sensory relay center. Most sensory nerves enter it and their impulses are sent to the appropriate cerebral region |  | 
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        | one of four cavities in the brain filled with cerebrospinal fluid |  | 
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        | Bundles of myelinated axons within the brain and spinal cord; found in the inner portions of the cerebrum and outer regions of the spinal cord |  | 
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