Subdivisions
Disorders
Structure
Combining forms
100

Consists of the spinal cord and brain

CNS

100

Abnormal electric discharges that cause seizures 

Epilepsy

100

The cell body of a neuron

Axon

100

Neur-

Neuron, nerve, nervous system

200

Consists of the cranial and spinal nerves

PNS

200
May understand what others are saying, but have trouble speaking and getting words out

Broca Aphasia

200

The largest part of the brain, composed of right and left hemispheres

Cerebrum

200

Gli-, -glia-

[glue] glia, neuroglia 

300

Controls involuntary bodily functions

ANS

300

Tend to jumble words and can't be understood by others

receptive aphasia

300
Part that is important for memory consolidation

hippocampus

300
Dendrit-

[Pertaining to a tree] dendrite, dendron

400

Prepares the body for physical activity, Used for fight-or-flight responses 

Sympathetic division

400

Crippling inflammation of the gray matter of the spinal cord

poliomyelitis 

400

The part where all sensory impulses are processed

Thalamus

400

Fascicl-, fascicul-

[little bundle] fasciculus

500

Used to "rest and digest", for examples slows heart rate

Parasympathetic division

500

The most common type of brain tumor

Gliomas

500

The point where neurons make contact with each other

synapses

500

Cortic-, cortex

[bark, rind] outer layer (of an organ)