Part 4: Brain & Forebrain

What are the 3 dips of the dura mater?

1. falx cerebri

2. tentorium cerebelli

3. falx cerebelli

   

term. falx cerebri

def. the dip of the dura mater into the longitudinal fissure

term. tentorium cerebelli

def. the dip in the dura mater in to the transverse fissue

term. falx cerebelli

def. dip of the dura mater between the two hemispheres of the cerebellum

term. sulci

shallow grooves

term. gyri

aka

def

aka. convolutions

def. folds between the grooves

Name all the fissures:

1. longitudinal

2. transverse

3. central

4. lateral (or Sylvian fissue)

   

What do each of the following divide/ separate:

1. longitudinal

2. transverse

3. central

4. lateral (or Sylvian fissure)

1. longitudinal: R. Hemisphere | L. Hemisphere of cerebrum

2. transverse: Occipital lobe (cerebrum) | cerebellum

3. central: frontal lobe | parietal lobe

4. lateral (or Sylvian): Frontal & Parietal lobes | temporal lobe

Corpus callosum function

communication between the 2 hemispheres

Corpus callosum parts

• Genu: anterior portion

• Body/ trunk: main part

• Splenium: posterior portion

Number of lobes in each cerebral hemisphere?

each hemisphere has the same 5 lobes:

• Frontal

• Parietal

• Temporal

• Occipital

• Central (insula)

What is the largest part of the brain? IDK

Cerebrum

Which basal ganglion is C-shaped?

Caudate nucleus

What do each of the capsules in the basal ganglia separate?

Internal capsule: globus pallidus | thalamus. Composed of white matter.

External capsule: putamen |claustrum. Composed of white matter.

The pituitary gland is also know as:

“master gland”

the optic nerves cross over at the ___, forming the optic tracts which terminate at the ___

1. optic chiasma

2. thalamus

   

Function of the intermediate mass

a bridge of gray matter that connects parts of the thalamus

Name Basal Ganglia

Location of each:

1. globus pallidus:

2. Putamen:

3. Claustrum:

1. globus pallidus: medially

2. Putamen: lateral to globus pallidus

3. Claustrum: lateral to putamen