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Lecture 16
Brain
25
Anatomy
Undergraduate 2
10/24/2010
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Term
3 parts of brain
 Definition
-cerebellum
-cerebrum
-brain stem
Term
corpus callosum
 Definition
-large fiber bundle connecting cerebral hemispheres to transfer info
Term
gray matter
 Definition
-outer
-cell bodies
-gyri and sulci
Term
gyri
 Definition
ridges
Term
sulci
 Definition
grooves
Term
white matter
 Definition
-inner myelinated axons
Term
frontal
 Definition
motor
Term
parietal
 Definition
sensory
Term
temporal
 Definition
auditory
Term
occipital
 Definition
visual
Term
insula
 Definition
deep to lateral sulcus
function unknown
Term
Brodmann's areas
 Definition
primary motor
primary sensory
area for hearing
visual area
Broca's area
Wernicke's area
Term
primary motor
 Definition
4-precentral gyrus
Term
primary sensory
 Definition
1,2,3-postcentral gyrus
Term
area for hearing
 Definition
41,42
Term
visual area
 Definition
17,18,19
Term
Broca's area
 Definition
44, 45-speech
Term
Wernicke's area
 Definition
22 understand written word
Term
arterial supply
 Definition
-internal carotid
-vertebral arteries
Term
internal carotid
 Definition
-middle cerebral
-anterior cerebral
Term
cerebral arteries unite to form
 Definition
Circle of Willis
Term
veins drain into
 Definition
dural venous sinuses
Term
middle cerebral
 Definition
-supplies upper limb/lateral cerebrum
Term
anterior cerebral
 Definition
supplies lower limb/medial cerebrum
Term
path of CSF
 Definition
-lateral ventricles
-third ventricles
-cerebral aqueduct
-fourth ventricle
-subarachnoid space
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