Brain Anatomy: Sheep Brain and Plastic models.

See Review Sheet for Exercise 19 for practice problems.

Know (be able to identify) the following structures and their functions/significance.

Lobes of cerebrum (What functions are associated with each lobe.)

á       Frontal

á       Parietal

á       Temporal

á       Occipital

Be able to associate a sense (vision, hearing, smell, taste, and somatosensation) with  lobes or regions of lobes. 

gyrus

sulcus

longitudinal fissure: separates right and left __________________,

transverse fissure:  separates right and left __________________,

central sulcus: separates  _____________ and ________________ lobes

lateral sulcus. separates  _____________ and ________________ lobes

precentral gyrus: site of_____________

postcentral gyrus: site of _____________

BrocaÕs area

WernickeÕs area

Prefrontal cortex

corpus callosum: represents _________________

fornix: Associated with sense of ______________.

pineal body/gland: produces ______________.

choroid plexus: produces ______________.

pons

medulla oblongata

á       decussation of pyramids

optic chiasma

thalamus (intermediate mass)

hypothalamus

infundibulum

pituitary gland

cerebellum

á       arbor vitae

á       hemispheres

á       vermis

á       folia

midbrain

corpora quadrigemina

á       superior colluculi.  Handles _______________ reflexes

á       inferior colliculi, Handles _______________ reflexes

cerebral peduncle

ventricles (lateral, third and fourth)

cerebral aqueduct

function of cerebrospinal fluid

Compare the structure of the cerebrum and cerebellum.  What are the similarities and differences in their structures?

Cranial nerves

(be able to identify the olfactory, optic, oculomotor, trigeminal, accessory in sheep)

Which cranial nerves are associated with eye movements?

How many branches does the trigeminal nerve have?

How many branches does the facial nerve have?

Which nerves are associated with taste?

Meninges

á       dura mater, literally ___________ ____________.  Composed of __________.

á       arachnoid

á      pia mater. literally ___________ ____________.  Composed of __________.

á      falx

á      meningitis