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The 11th chapter
nervous system

Outline

First, nervous system's discrimination

Nervous system's discrimination sees Table 11-1.

Table 11-1 nervous system's discrimination

 

 

 

 

 

 

Nervous system

Central nervous system

Brain

Spinal cord

 

 

 

Peripheral nerve

 

According to

Rank

Cranial nerve

Spinal nerve

 

 

According to distribution minute

Splanchnic nerve

Visceral sensation nerve

Internal organs efferent nerve

Nerve

Sympathetic nerve

Body nerve

 

Nervous system discrimination

Although the nervous system difficult to record    Separates out easily

Central nervous system brain spinal cord    The brain spinal nerve records at heart

Cranial nerve, 12 pairs    Spinal nerve, 30 one

The body internal organs have the distribution    Felt that the movement does not separate

 

Second, nervous system's commonly used terminology

1. gray matter: In the central nervous system, the neuron cell body and the tree gather suddenly become.

2. white matter: In the central nervous system, the nerve fiber accumulation becomes.

3. nerve nucleus: In the central nervous system, the neuron cell body accumulation becomes briquetting.

4. ganglion: In the peripheral nervous system, the neuron cell body accumulation becomes briquetting.

5. fibrous bundle: In the central nervous system, the nerve fiber gathers ties.

6. nerve: In the peripheral nervous system, the nerve fiber accumulation becomes strip funicular structure.

7. network structure: In the central nervous system, the gray matter and the white matter mix become.