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MT Nervous system
nervous system- test for tomorrow
| Question | Answer |
|---|---|
| Microglial | specialized cell that act as microbial eating scavangers protecting the CNS from infection |
| Dendrites | specalized to recieve neural impulses |
| Synapse | site of impulse transmission where nuerotransmitters are released |
| post-synaptic neuron | The neuron that recieves the impulse across the synapse with the help of the neurotransmitters |
| Endorphones & enkephalins | natural morphine- like chemicals that regulate pain perception. Natural pain killers in the body |
| Medulla | Most inferior portion of the brain stem and continous with the spinal cord |
| Pons | Forms a bulge on the anterior surface of the brain stem |
| Midbrain | the cavity is the cerebral aqueduct |
| Thalamus | located on either side of the third ventricle |
| Hypothalamus | Forms the anterior floor of the third ventricle |
| Cerebellum | located just superior and posterior to the fourth ventricle |
| Cerebrum | Largest part of the brain, & center of intellect |
| Cerebral cortex | Outer layer of gray matter |
| Gray matter | contains cell bodies and unmyelinated fibers of neurons |
| White matter | contains myelinated nerve fibers |
| corpus callosum | a large band of white matter that connect the R and L hemisoheres of the cerebrum |
| Cauda equina | located at the scral region or lower region of the spinal cord |
| Name 3 Meninges | Dura mater, Arachnoid, Pia mater |
| produced by the choroids plexuses | Ceebrospinal fliud |
| Alzherimers disease | degenerative disorderof the brain that involves shrinking and gradual death of neural tissue |
| ALS | Symptoms include weakness, fatigue, miscle spasm and muscle atrophy |
| MS | destruction of myelin sheaths around the motor and sensor neuron in the CNS. Includes eye pain |
| Parkinsons disease | degenerative disease of the substantia nigra cells in the brain |