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A&P
Nervous system 1
10
Biology
Undergraduate 2
04/16/2009

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Cards

Term

 

 

 

Central Nervous System

(CNS)

Definition

Major components:              brain and spinal cord

 

             Sensory integration and

                           command  center.  Directs Function:                   motor responses based

on memories, reflexes,

and current conditions.

Term

 

 

 

Peripheral Nervous System

(PNS)

Definition

Ganglia

Major Components:                       Spinal Nerves

Cranial Nerves

 

Function:                           Links the rest of

the body to CNS

Term

 

 

 

Ganglia

Definition

 

 

 

 

All nerves extending from brain and spine

Term

 

 

 

Spinal Nerves

Definition

 

 

 

Sensory information from spine

(reflex areas)

Term

 

 

 

Cranial Nerves

Definition

 

 

Sensory information to and from brain.

Term

 

 

 

Afferent Subdivision

Definition

 

 

Subdivision of PNS

 

Sensory: converts information from body to CNS

Term

 

 

 

Somatic Afferent

Definition

 

 

 

Skin, skeletal, joints

Term

 

 

 

Visceral Afferent

Definition

 

 

 

Body organs

Term

 

 

 

Efferent Subdivision

Definition

Subdivision of PNS

 

Motor: nerves effecting action from CNS

 

"E" for "Exit"

Term

 

 

 

Somatic/Voluntary nervous system

(SNS)

Definition

 

Efferent

 

CNS to Skeletal muscles

Under conscious control

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