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Nervous System Quiz
17 nervous system terms for a small test
17
Anatomy
Undergraduate 3
11/06/2012

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Term

Peripheral Nervous System

(PNS)

Definition

All neural structures outside

the brain and spinal cord

Term

Central Nervous System

(CNS)

Definition
Brain and spinal cord
Term

Association Neuron

(interneuron)

Definition
multipolar neuron located entirely in the cns
Term

Sensory Neuron

(afferent neuron)

Definition
Neuron that transmits impulses from a sensory receptor into the CNS
Term

Motor Neuron

(efferent neuron)

Definition
Neuron that transmits impulses from the CNS to an effector muscle
Term
Afferent
Definition

bringing to or leading toward an organ or part

 

Term
efferent
Definition
conveying or conducting away from an organ or part
Term
Somatic Motor Neuron
Definition

Neuron that stimulates contraction of skeletal muscles 

(voluntary muscles)

Term
Autonomic Motor Neuron
Definition

neuron that stimulates (or inhibits) contraction of involuntary muscles

(smooth and cardiac muscle)

Term
Nerve
Definition
cable like collection of many axons in the PNS
Term
Nucleus
Definition
grouping of neuron cell bodies within the CNS
Term
Gyrus
Definition

a ridge on the

surface cerebral cortex

Term
Sulcus
Definition

a groove in the

surface cerebral cortex

Term
fissure
Definition
a deep sulcus
Term
Tract
Definition
grouping of nerve axons that interconnect regions of the CNS
Term
ganglion
Definition
grouping of neuron cell bodies located outside the CNS
Term
Plexus
Definition
an interlacing network of nerves serving a particular anatomical area
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