ANAT 321NEUROANATOMY LAB

REVIEW

LABORATORY 3

REVIEW: LAB 3

• With your demonstrator draw the arterial system of the brain.

Courtesy of Digital Anatomist Project at Univ. of Washington

Cerebral Vasculature

Posterior communicating artery

Cerebral Vasculature

Superior cerebellar artery

Anterior inferior cerebellar artery

Internal carotid artery

Vertebral artery

Middle cerebral artery

Anterior communicating artery

Anterior cerebral artery

Posterior cerebral artery

Cerebral Vasculature

Posterior communicating artery

Cerebral Vasculature

Superior cerebellar artery

Anterior inferior cerebellar artery

Internal carotid artery

Vertebral arteries

Posterior inferior cerebellar artery

Middle cerebral 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 Arachnoid Mater and sagittal sinus

Frontal lobe

Occipital lobe

Meninges Arachnoid Mater and sagittal sinus

Dura outer layer Superior/mid sagittal sinus

Arachnoid mater

Frontal lobe

Occipital lobe

Meninges Arachnoid Mater & Granulations

Meninges Arachnoid Mater & Granulations

Arachnoid granulations

Arachnoid mater

Meninges CSF production review

HEMISPHERESSAGITTAL VIEW

Courtesy of Digital Anatomist Project at Univ. of Washington

HEMISPHERESSAGITTAL VIEW

Calcarine fissure

Parieto-occipital fissure

cuneus

Lingual gyrus

Cingulate gyrus

uncus

Parahippocampal gyrus Courtesy of Digital Anatomist Project at Univ. of Washington

HEMISPHERESLATERAL VIEW

Courtesy of Digital Anatomist Project at Univ. of Washington

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

HEMISPHERESLATERAL VIEW

Courtesy of Digital Anatomist Project at Univ. of Washington

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

Courtesy of Digital Anatomist Project at Univ. of Washington

HEMISPHERESLATERAL VIEW

• Locate Heschl’s gyrus

Courtesy of Digital Anatomist Project at Univ. of Washington

HEMISPHERESLATERAL VIEW • Locate frontal and parietal

opercula

Courtesy of Digital Anatomist Project at Univ. of Washington

REVIEW: LAB 3

• Describe the meninges

• Answer– The meninges are tissues covering the

brain– 3 layers

• Dura - Outer layer• Arachnoid – middle layer• Pia – inner layer

REVIEW: LAB 3

• What sulcus separates the frontal and parietal lobes?

• Answer– The central sulcus

Courtesy of Digital Anatomist Project at Univ. of Washington

REVIEW: LAB 3

• What gyrus is superior to the corpus callosum?

• Answer– The cingulate gyrus

Courtesy of Digital Anatomist Project at Univ. of Washington

QUIZ

A

B

C

D

E

Courtesy of Digital Anatomist Project at Univ. of Washington

Answer Key

– A: internal carotid artery– B: CN3– C: superior cerebellar artery– D: vertebral artery– E: posterior cerebral artery

A

B C

D

E

Courtesy of Digital Anatomist Project at Univ. of Washington

Answer Key

– A: anterior commissure – B: uncus– C: parahippocampal gyrus– D: lingual gyrus– E: fornix

A

B

C

D

E

Courtesy of Digital Anatomist Project at Univ. of Washington

Answer Key

– A: posterior communicating artery– B: superior cerebellar artery– C: anterior inferior cerebellar artery– D: CN 5– E: CN 6