Embed Size (px)
Citation preview
ANAT-321NEUROANATOMY LAB
REVIEW LABS 3&4
GENERAL INFORMATION
• Lab exam is in slide format
ANAT 321
• 50% material will be from the labs, and the other 50% will be myelin stained sections
• Quiz available on MACSS website
• Neuroanatomy websites:– Digital anatomist:
• http://www9.biostr.washington.edu/da.html
– Sylvius:• http://www.sylvius.com/
– Neuroanatomy and neuropathology on the Internet
• www.neuropat.dote.hu/
Neuroanatomy Websites
ANAT 321NEUROANATOMY LAB
REVIEW LABS 3 & 4
• Lab 3– Cerebral vasculature– Meninges– Cerebral Spinal Fluid (CSF) production– Hemispheric anatomy
• Lateral and medial views
• Lab 4 – Basal ganglia
• Coronal and horizontal views
Cerebral Vasculature
Cerebral Vasculature
Internal carotid artery
Anterior blood supply
Posterior blood supply
Vertebral artery
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
Ant
erio
r bl
ood
supp
lypo
ster
ior
bloo
d su
pply
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
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
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
Meninges Dura Mater
Basal view of outer layer
lateral view of outer dural layer
http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html
Dura Mater is composed of:
- Outer layer
- Inner layer Frontal
lobeoccipital
lobe
Courtesy of Digital Anatomist Project at Univ. of Washington
Meninges Arachnoid Mater and sagittal sinus
faculty.une.edu/com/fwillard/Meninges/
Dura outer layer
Superior/mid sagittal sinus
Arachnoid mater
Meninges Arachnoid Granulations
http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html
Arachnoid granulations
Dura outer layer
Dura inner layer
Meninges Dura Mater & Arachnoid Granulations
Pyramid
CN 9
CN 12
CN 7CN 8
CN 10
http://www.vh.org/adult/provider/anatomy/BrainAnatomy/2Meninges.html
Mid/superior sagittal sinus
Arachnoid Granulations
Dura mater – outer layer
Meninges Arachnoid Mater & Granulations
Arachnoid granulations
Courtesy of Digital Anatomist Project at Univ. of Washington
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
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
HEMISPHERESSAGITTAL VIEW
HEMISPHERESSAGITTAL VIEW
Calcarine
fissure
Parieto-occipital
fissure
cuneus
Cingulate gyrus
Lingual gyrus
HEMISPHERESSAGITTAL VIEW
Calcarine fissure
Parieto-occipital fissure
cuneus
Lingual gyrus
Cingulate gyrus
uncus
Parahippocampal gyrus
HEMISPHERESLATERAL VIEW
HEMISPHERESLATERAL VIEW
Lateral sulcusTemporal
lobe
Frontal lobe
Pre-occipital notch
Parieto-occipital fissure
Central sulcus
Occipital lobe
Parietal lobe
HEMISPHERESLATERAL VIEW
Lateral sulcus
Central sulcus
Inferior temporal gyrus
superior temporal gyrus
Inferior parietal lobule
middle temporal gyrusmiddle temporal gyrus
superior parietal lobule precentral gyrus
Post central gyrus
inferior frontal gyrus
middle frontal gyrus
Superior frontal gyrus
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 parietal lobule
Inferior parietal lobule
Superior frontal gyrus
HEMISPHERESLATERAL VIEW
Central sulcus
Inferior temporal gyrus
superior temporal gyrus
middle temporal gyrus
Post central gyrus
precentral gyrus
Lateral sulcus
inferior frontal gyrus
middle frontal gyrus
Superior frontal gyrus
superior parietal lobule
Inferior parietal lobule
HEMISPHERESLATERAL VIEW - INSULA
Insula
HEMISPHERESLATERAL VIEW
Lateral sulcus
Central sulcus
Parietal opercula
Frontal opercula
Heschl’s gyrus
HEMISPHERESLATERAL VIEW
• Heschl’s gyrus– posterior portion of the superior
temporal gyrus– Located on the inferior bank of the
lateral sulcus
HEMISPHERESLATERAL VIEW • Frontal and parietal opercula
– Operculum = covering 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
HEMISPHERESBASAL GANGLIA
HEMISPHERESBASAL GANGLIA
Caudate nucleus
Putamen (lateral)
Globus pallidus (medial)
HEMISPHERESBASAL GANGLIA
Internal capsule
Caudate nucleus
putamen
amygdala
Caudate nucleus
Globus pallidus
putamen
ANAT 3213D VIEW OF THE BRAIN
HEMISPHERESBASAL GANGLIA - brainstem
Internal capsule
Caudate nucleus (head)
putamen
Cerebral peduncles
HEMISPHERESHORIZONTAL SECTIONS
HEMISPHERESHorizontal sections
Caudate nucleus
Lateral ventricles
Corpus callosum
anterior
posterior
Thalamus
Corpus callosum
fornix
Septum pellucidum
Internal capsule
Extreme capsule
External capsule
Claustrum
insula
HEMISPHERESHorizontal sections
Caudate nucleus
Lateral ventricles
Corpus callosum
anterior
posterior
Thalamus
fornix
Septum pellucidum
Internal capsule
External capsule
Claustrum
Extreme capsule
insula
PutamenGlobus pallidus
HEMISPHERESCORONAL SECTIONS
HEMISPHERESCORONAL SECTIONS
Caudate nucleus
Putamen
Internal capsule
External capsule
Extreme capsule
Claustrum
Insula
Lateral sulcus
Lateral ventricle (anterior horn)
Septum pellucidum
Anteriorhorn
body
HEMISPHERESCORONAL SECTIONS
Caudate nucleus
putamen
Internal capsule
External capsule
extreme capsule
Claustrum
insula
Lateral sulcus
Globus pallidus
Lateral ventricle (body)
Septum pellucidum
fornix
hypothalamus
3rd ventricle
hippocampusLateral ventricle
Corpus callosum
Anteriorhorn
body
HEMISPHERESCORONAL SECTIONS
Caudate nucleus
putamen
Internal capsule
External capsule
Extreme capsule
ClaustrumInsula
Globus pallidus
Lateral ventricle (body)
Septum pellucidum
3rd ventricle
hippocampusLateral ventricle
Fornix
NEUROANATOMYQUIZ
• Neuroanatomy websites:– Digital anatomist:
• http://www9.biostr.washington.edu/da.html– Sylvius
• Http://www.sylvius.com– Neuroanatomy and neuropathology on the Internet
• www.neuropat.dote.hu/
Neuroanatomy Websites
ANAT 321NEUROANATOMY LAB
• Lab review presentations are available on the MACSS website under course material
– http://macss.sus.mcgill.ca/coursematerial.htm
