Anat321demoreview Lab 2 2009
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Transcript of Anat321demoreview Lab 2 2009
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ANAT 321
REVIEW
LABORATORY 2
(slides created by Emma Duerden, M.Sc.)
NEUROANATOMY LAB
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HEMISPHERESSAGITTAL VIEW
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HEMISPHERESSAGITTAL VIEW
3rd ventricle
thalamus
4th ventricle
fornix
Corpus callosum
septum pellicudum
Anterior commissure
Lamina terminalishypothalamus
hypothalamic sulcus
mamillary body
infundibulum
optic chiasmaqueduct
Foramen of Monroe
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HEMISPHERESSAGITTAL VIEW
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HEMISPHERESSAGITTAL VIEW
Corpus callosum
Septumpellucidum
Fornix
Anteriorcommissure
infundibulum
Thalamus
Mamillarybody
Optic chiasm
Lamina terminalis
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Brainstem dorsal viewBRAINSTEM DORSAL VIEW w/ out cerebellum
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Brainstem dorsal viewBRAINSTEM DORSAL VIEW w/ out cerebellumSuperior colliculus
inferior colliculus
Lateral geniculate nucleus
Medial geniculate nucleus
Pulvinar
brachium
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BRAINSTEM DORSAL VIEW w/ out cerebellum
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BRAINSTEM DORSAL VIEW w/ out cerebellumSuperior colliculus
Superior cerebellar peduncle
Middle cerebellar peduncle
Inferior cerebellar peduncle
Nucleus gracilis
Nucleus cuneatus
4th ventricle
Medial geniculate nucleus
Pulvinarinferior colliculus
brachium
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TRANSECTED MIDBRAIN
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TRANSECTED MIDBRAIN
Cerebral aqueduct
Substantia nigra
Cerebral peduncles
Red nuclei
Inferior colliculus
4th ventricle
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REVIEW: LAB2
• How are the lateral ventricles confluent with the 3rd ventricle?
• Answer– The foramen of
Monroe
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REVIEW: LAB2
• What structure forms the walls of the third ventricle?
• Answer– The thalamus
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REVIEW: LAB2
• Be sure that you understand the skewed "C" shape of the lateral ventricles.
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REVIEW: LAB2
• Be sure that you understand the shape of the fornix
• Answer– The fornix is a white
matter fiber intra-hemispheric structure that connects the hippocampus to the mammillary bodies
hippocampi
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REVIEW: LAB2
• How does CSF flow from the third and to the fourth ventricle?
• Answer– The cerebral
aqueduct
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REVIEW: LAB2
• What is the relationship between the internal capsule and the cerebral peduncle?
• Answer– The internal capsule is a collection
of white matter fiber pathways– The cerebral peduncles are a
continuation of the internal capsule
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REVIEW: LAB2
• Follow the optic tract
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QUIZ
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A
B
C
D
E
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Answer Key
– A: inferior colliculus – B: red nucleus– C: substantia nigra– D: cerebral aqueduct– E: cerebral peduncle
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AB
C
D
E
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Answer Key
– A: septum pellucidum– B: fornix– C: fourth ventricle– D: hypothalamic sulcus– E: lamina terminalis
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A
B
C
D
E
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Answer Key
– A: brachium of the inferior colliculus– B: superior cerebellar peduncle– C: fourth ventricle– D: nucleus cuneatus– E: pulvinar