BRAIN BRAIN

MeningesMeninges

Cerebrospinal FluidCerebrospinal Fluid

FunctionLocationChoroid plexus

– Circulation

Circulation of CSFCirculation of CSF

Lateral Ventricles– In cerebrum– Interventricular foramen

Circulation of CSFCirculation of CSF

Third Ventricles– Diencephalon– Cerebral aqueduct = Mesencephalic aqueduct

Circulation of CSFCirculation of CSF

Fourth ventricleVentral to cerebellum

BRAIN STEMBRAIN STEM

Medulla OblongataLocationAscending/descending tractsVital Reflexes

– Cardiac, Breathing, Vasomotor Center– Misc. centers

Reticular formation (RAS)

BRAIN STEMBRAIN STEM

PonsLocationFunction

BRAIN STEMBRAIN STEM

Mesencephalon (midbrain)LocationCerebral PedunclesCorpora Quadrigemina

– Superior colliculi– Inferior colliculi

DiencephalonDiencephalon

Thalamus– Location– Function

Hypothalamus– Location – Function

CerebrumCerebrum

LocationFissureGyri = ConvolutionsSulci

CerebrumCerebrum

Temporal lobeFrontal lobeOccipital lobeParietal lobe

CerebrumCerebrum

HemispheresLongitudinal fissureLateral Ventricles

White Matter of CerebrumWhite Matter of Cerebrum

Projection FibersAssociation FibersCommissural Fibers

– Corpus Callosum

Gray Matter of CerebrumGray Matter of Cerebrum

Cerebral Cortex– Motor Area

Pyramidal tract = Corticospinal tract Extrapyramidal tract

Cerebral Cortex AreasCerebral Cortex Areas

Premotor area Motor Speech area General Sensory area Taste area Visual area Auditory area Olfactory area Association area

Gray Matter of CerebrumGray Matter of Cerebrum

Cerebral CortexBasal NucleiLimbic System

Cerebral Hemisphere Cerebral Hemisphere lateralizationlateralization

Left HemisphereRight Hemisphere

CerebellumCerebellum

Location, fourth ventricleTransverse fissureFunction