Central Nervous System

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Associate Level Material
Appendix B

Structures of the Nervous System

This activity will increase your understanding of the different structures of the nervous system and brain. During the Web activity, you will view a variety of structures of the brain and nervous system and label each with the appropriate term. You will use this document to write a description for the terms you used in the activity.

<Paste your Conclusion screen shot here>

As you conduct the Structures of the Nervous System activity, follow along with this Word document and fill in the descriptions of those terms you used to label the structures. All of the terms in the activity are listed here, but you only need to provide descriptions for those you used.

Term| Description|
Central nervous system| It blends the information that it receives from, and coordinates all parts of the body. It is located in the dorsal cavity.| Cell body| It produces all the proteins for the dendrites, axons, and synaptic terminals and contains specialized organelles.| Peripheral nervous system| Consists of the nerves and ganglia outside of the brain and spinal cord.| Dendrites| They are the treelike extensions at the beginning of a neuron.| Somatic nervous system| It is the part of the peripheral nervous system that is responsible for carrying motor and sensory information.| Axon| A long fiber of a nerve cell that acts like a fiber optic cable carrying outgoing messages.| Buttons| They are at the end of each axon lie bumps that release neurotransmitters.| Autonomic nervous system| It conveys sensory impulses from the blood vessels| Synapses| They allow neurons to form circuits within the central nervous system.| Dura mater meninx| It is a sac that envelops the arachnoids mater. It surrounds and supports the Dural sinuses.| Mesencephalon| It is the portion of the brainstem that connects the hindbrain and the forebrain.| Arachnoid meninx| |

Cerebrospinal...
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