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Anat. of NerveSystem
PSY2583 divisions of nervous system, membranes of brain, ventricles, etc
| Question | Answer |
|---|---|
| What are the two largest divisions of the nervous system? | Central nervous system and Peripheral nervous system |
| What parts make up the Central nervous system? | Brain and spinal cord |
| What divisions make up the Peripheral nervous system? | Somatic nervous system and autonomic nervous system |
| What is the Somatic nervous system? | Functions managed by thought |
| What is the Autonomic nervous system? | Functions managed without thought |
| What nerve systems are in both Somatic and Autonomic nervous systems? | Afferent and Efferent nerves |
| Where does the Sympathetic nervous system take place? | The efferent nerves of the Autonomic nervous system |
| What does the Sympathetic nervous system do? | Stress |
| What does the Parasympathetic nervous system do? | Destress |
| What do efferent nerves do? | Send signals from the Central Nervous System |
| What do afferent nerves do? | Send signals to the Central Nervous System |
| What are meninges? | Layers of protection for the brain |
| What are the 3 layers of meninges? | Dura mater, arachnoid, pia mater |
| What layer is the dura mater? | Outer layer |
| What layer is the arachnoid? | Middle layer |
| What layer is the pia mater? | Inner layer |
| What is meningitis? | Inflammation of the membranes and fluid around the CNS |
| What is meningioma? | Tumor that grows from the membranes around the CNS |
| What is Subarachnoid Hemorrhage? | Bleeding in the subarachnoid space, between the brain and membranes |
| Where is cerebrospinal fluid located? | Subarachnoid space, central canal of the spinal cord, and the cerebral ventricles |
| What is the function of cerebrospinal fluid? | Protection and buoyancy |
| What are the types of ventricles? | Lateral, third, fourth, and central canal |
| What do ventricles do? | Produce and store cerebrospinal fluid |
| What is Hydrocephalus? | Blockage of aqueduct leading to building of cerebrospinal fluid in the brain |
| How does the blood-brain barrier protect the brain? | Tightly packed cells and active transport for large molecules |
| What ventricles are located at the top of the brain? | Lateral ventricles |
| What ventricle connects to the lateral ventricles? | Third ventricle |
| What ventricle connects to the central canal? | Fourth ventricle |
| What connects the third and fourth ventricles? | Cerebral aqueduct |
| What does the central canal connect to? | Spinal cord |
Created by:
juangon
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