Term
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Definition
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Term
| peripheral nervous system |
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Definition
| cranial nerves, spinal nerves and peripheral ganglia |
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Term
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Definition
the three layers of tissue that encase the central nervous system: the dura mater, arachnoid membrane and the pia mater
(peripheral nervous sytem also has meninges but its only dura and pia mater and its 2 layers) |
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Term
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Definition
| outermost layer of meninges, tough and flexible |
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Term
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Definition
| middle layer of the meninges, soft and spongy |
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Term
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Definition
| bottom layer of meninges that clings to brain and spinal cord, thin and delicate |
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Term
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Definition
| fluid filled space (filled with cerebrospinal fluid) that cushions the brain, located between arachnoid membrane and pia mater of the meninges |
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Term
| cerebrospinal fluid (CSF) |
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Definition
| clear fluid that fills the ventricular system of the brain and the subarachnoid space surrounding brain and spinal cord. flows from lateral ventricles to third ventricle, through cerebral aqueduct to forth ventricle then to the subarachnoid space |
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Term
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Definition
| the hollow interconnected chambers in the brain that are filled with CSF |
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Term
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Definition
| there are two lateral ventricles, which are the largest ventricles, located in the telencephalon |
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Term
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Definition
| the ventricle located in the center of the diencephalon (its walls divide the brain in half) |
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Term
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Definition
| long tube interconecting the third and forth ventricles, in center of mesencephalon |
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Term
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Definition
| the smallest ventricle located between cerebellum and dorsal pons |
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Term
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Definition
| the tissue that protrudes in the ventricles and produces cerebrospinal fluid |
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