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

ANAT 321NEUROANATOMY LAB

Any questions?

Email: emma.duerden@umontreal.ca

Phone: 343-6111 ext 4359

• 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