Central Nervous System Chapter 12

What color is the gray matter and what are they composed of?

Dark brown, neuron cell bodies

What color is the white matter and what are they composed of?

Light tan, myelinated axons

The ventricles are spaces filled with ______ ______.

Cerebrospinal fluid 

Neuron cell bodies in the nervous system are named according to their ______.

location

Axons traveling together in the nervous system are named according to their _____.

location

Collections of neuron cell bodies in the central NS are called _____, neurons in the peripheral NS are called ____.

nuclei, ganglia

Axons traveling together in the central NS are called _____, axons in the peripheral NS are called ____.

tracts, nerves

What are the fluid filled spaces in the brain?

Ventricles

What do ventricles arise from?

Neural tube 

Identify red

Cerebral aqueduct

Identify magenta

Lateral ventricles

Identify orange

Third ventricle 

Identify yellow

Fourth ventricle

Identify green

Central canal

Contralateral control

right brain controls left, left brain controls right

Ventricles communicate with the _____ _____, are filled with _______ ____, and are lined by _____ cells.

arachnoid space, cerebrospinal fluid, ependymal

Are ependymal cells ciliated or non ciliated? What do they circulate?

ciliated, CSF

List the 4 regions of the bran.

cerebrum, diencephalon, brain stem, cerebellum

Identify yellow region

Cerebral hemisphere

Identify purple region

Diencephalon 

Identify red region

cerebellum

Identify green region

Brain stem

The cerebrum forms the ____ part of the brain and makes up ____% of brain mass.

superior, 85

The cerebrum is arranged into 3 sections:

outer cortex, internal white matter, inner basal nuclei

The outer cortex is made of ____ matter. It is responsible for what?

gray, decision making

What makes up the internal white matter?

myelinated axons

The inner basal nuclei of the brain are responsible for:

movement regulation 

How is the cerebrum divided?

left and right hemispheres

The left and right hemispheres display ______ control, which means the left and right work together.

contralateral

There is a _____ and ___ _____ side of the cerebrum. 

dominant, non dominant 

The dominant side of the cerebrum is responsible for _____, the non dominant side is visual-spacial for ____ and ____ skills.

language, spatial, artistic

The diencephalon sorts ______ and is the ultimate _____ control center.

sensations, involuntary 

The brain stems controls ____ ____ functions.

basic life

The cerebral cortex is ____ matter ONLY. It is made of three functional areas: ____, ____, ___

gray, motor, sensory, association

Identify pink region

frontal lobe

Identify teal region

parietal lobe

Identify light blue region

occipital lobe

Identify dark blue region

temporal lobe

Identify black indicator

insula

The frontal lobe controls:

motor skills, speech, personality, judgement, reasoning, smell

The insula controls:

taste, visceral sensation (Stomach aches)

The parietal lobe controls:

sensory, smell

The occipital lobe controls:

visual

The temporal lobe controls:

auditory and language