anat 321 lab3 2009
DESCRIPTION
Part 1 of ANAT 321 Lab 3TRANSCRIPT
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ANAT 321NEUROANATOMY LAB
LABORATORY 3
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CONTACT INFORMATION
Lab Coordinator:
• Erin Dickie
• email: [email protected]
• Tel: (514) 880-3746
• http://www.slideshare.net/erinwdickie
ANAT-321
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• Neuroanatomy websites:– Digital anatomist:
• http://www9.biostr.washington.edu/da.html– The Human Brain: Dissections of the Real Brain
• http://www.vh.org/adult/provider/anatomy/BrainAnatomy/BrainAnatomy.html
– Neuroanatomy and neuropathology on the Internet • www.neuropat.dote.hu/
• These slides created by Emma Duerden, M.Sc.
Neuroanatomy Websites
ANAT 321NEUROANATOMY LAB
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REVIEW LABS 3 & 4
• Lab 3– Cerebral vasculature– Meninges– Cerebral Spinal Fluid (CSF) production– Hemispheric anatomy
• Lateral and medial views
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Cerebral Vasculature
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Cerebral Vasculature
Internal carotid artery
Anterior blood supply
Posterior blood supply
Vertebral artery
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Anterior communicating artery
Cerebral Vasculature
Superior cerebellar artery
Posterior inferior cerebellar artery
Posterior cerebral artery
Posterior communicating arteryInternal carotid
artery
Anterior inferior cerebellar artery
Middle cerebral artery
Anterior cerebral artery
Vertebral arteries
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Cerebral Vasculature
Superior cerebellar artery
Posterior inferior cerebellar artery
Posterior cerebral artery
Posterior communicating artery
Internal carotid artery
Vertebral arteries
Anterior inferior cerebellar artery
Middle cerebral artery
Anterior communicating artery
Anterior cerebral artery
Courtesy of Digital Anatomist Project at Univ. of Washington
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Posterior communicating artery
Cerebral Vasculature
Superior cerebellar artery
Anterior inferior cerebellar artery
Internal carotid artery
Vertebral arteries
Posterior inferior cerebellar artery
Middle cerebral arteryAnterior communicating artery
Anterior cerebral artery
Posterior cerebral artery
Courtesy of Digital Anatomist Project at Univ. of Washington
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Cerebral Vasculature
Posterior communicating artery
Superior cerebellar arteryAnterior inferior
cerebellar artery
Internal carotid artery
Vertebral arteries
Middle cerebral artery
Posterior cerebral artery
Posterior inferior cerebellar artery
Courtesy of Digital Anatomist Project at Univ. of Washington
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Meninges
3 layers
- Dura mater
- Arachnoid mater
- Pia mater
http://www.sruweb.com/~walsh/meng1.gif
skin
bone
Dura mater
arachnoid mater
Sub-arachnoid spacepia mater
cortex
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Meninges Dura Mater – outer layer
Inferior olive
CN 6
CN 9
CN 7CN 8
CN 10
Basal view of outer layer
lateral view of outer dural layer
Dura Mater is composed of:
- Outer layer
- Inner layer
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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Meninges Dura Mater and sagittal sinus
CN 6
Separation of the inner and outer layers forms the sinuses
Dura - outer layer
Superior/mid sagittal sinus
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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Meninges Dura Mater – Outer layer
Frontal lobeOccipital
lobe
Dura outer layer
skull
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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Meninges Arachnoid Mater and sagittal sinus
Dura outer layer
skull
Dura inner layer
Superior/mid sagittal sinus
Arachnoid mater
Frontal lobe Occipital lobe
Coronal view of sinus
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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Meninges Dura Mater & Arachnoid Granulations
Pyramid
CN 9
CN 12
CN 7CN 8
CN 10
Mid/superior sagittal sinus
Arachnoid Granulations
Dura mater – outer layer
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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Meninges Arachnoid Mater & Granulations
Arachnoid granulations
Arachnoid mater
Courtesy of Dr. Frank Willard: faculty.une.edu/com/fwillard/Meninges/
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http://www.bio-graphix.com/medillimages/FlowCSF0001.jpg
Choroid plexus
3rd ventricle
4th ventricle
Sub-arachnoid space
Arachnoid granulations
Arachnoid mater
Dura Mater
Meninges CSF production
CSFCSF
CSF
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Meninges CSF production
CSF exits through foramina into sub-arachnoid space
CSF is deposited into the superior sagittal sinus through the arachnoid
granulations
CSF produced in ventricles
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HEMISPHERESSAGITTAL VIEW
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HEMISPHERESSAGITTAL VIEW
Calcarine fissure
Parieto-occipital fissure
cuneus
Cingulate gyrus
Lingual gyrus
Primary visual cortex Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESSAGITTAL VIEW
Calcarine
fissure
Parieto-occipital fissure
cuneus
Lingual gyrus
Cingulate gyrus
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESSAGITTAL VIEW
Calcarine fissure
Parieto-occipital fissure
cuneus
Lingual gyrus
Cingulate gyrus
uncus
Parahippocampal gyrus Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESSAGITTAL VIEW
Parieto-occipital fissure
cuneus
Lingual gyrus
Cingulate gyrus
uncus
Parahippocampal gyrus
Calcarine fissure
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW
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HEMISPHERESLATERAL VIEW
Lateral sulcusTemporal
lobe
Frontal lobe
Pre-occipital notch
Parieto-occipital fissure
Central sulcus
Occipital lobe
Parietal lobe
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW
Lateral sulcus
Central sulcus
Superior frontal gyrus
middle frontal gyrus
inferior frontal gyrus
Inferior temporal gyrus
superior temporal gyrus
Inferior parietal lobule
middle temporal gyrusmiddle temporal gyrus
superior parietal lobule precentral gyrus
Post central gyrus
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW
Central sulcus
Inferior temporal gyrus
superior temporal gyrus
middle temporal gyrusmiddle temporal gyrus
Post central gyrus
precentral gyrus
Lateral sulcus
inferior frontal gyrus
middle frontal gyrus
Superior frontal gyrus
superior parietal lobule
Inferior parietal lobule
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW - INSULA
Insula
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW
Lateral sulcus
Central sulcus
Parietal opercula
Frontal opercula
Heschl’s gyrus
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW
• Heschl’s gyrus– posterior portion of the superior
temporal gyrus– Located on the inferior bank of the
lateral sulcus
Courtesy of Digital Anatomist Project at Univ. of Washington
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HEMISPHERESLATERAL VIEW • Frontal and parietal opercula• Opercula = cover the insula
– Superior bank of lateral sulcus– Frontal operculum are anterior to
central sulcus– Parietal operculum are posterior to
central sulcus
Parietal operculum
insula
Heschl’s gyrus
Courtesy of Digital Anatomist Project at Univ. of Washington
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NEUROANATOMYQUIZ
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ANAT 321NEUROANATOMY LAB
Questions?
Email: [email protected]
Phone: 514-880-3746
www.slideshare.net/erinwdickie