This document provides a review of Laboratory 3 for the neuroanatomy course ANAT 321. It summarizes the arterial system of the brain, meninges, cerebral hemispheres, and includes review questions. Key structures covered include the internal carotid artery, vertebral artery, middle cerebral artery, anterior communicating artery, posterior communicating artery, cingulate gyrus, central sulcus, and meninges layers.

1. ANAT 321 REVIEW LABORATORY 3 (slides created by Emma Duerden, M.Sc.) NEUROANATOMY LAB

2. REVIEW: LAB 3 With your demonstrator draw the arterial system of the brain. Courtesy of Digital Anatomist Project at Univ. of Washington

3. Cerebral Vasculature

4. Cerebral Vasculature Posterior communicating artery Superior cerebellar artery Anterior inferior cerebellar artery Internal carotid artery Vertebral artery Middle cerebral artery Anterior communicating artery Anterior cerebral artery Posterior cerebral artery

5. Cerebral Vasculature

6. Cerebral Vasculature Posterior communicating artery 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

7. Meninges 3 layers - Dura mater - Arachnoid mater - Pia mater http://www.sruweb.com/~walsh/meng1.gif skin bone Dura mater arachnoid mater Sub-arachnoid space pia mater cortex

8. Meninges Arachnoid Mater and sagittal sinus Frontal lobe Occipital lobe

9. Meninges Arachnoid Mater and sagittal sinus Frontal lobe Occipital lobe Dura outer layer Superior /mid sagittal sinus Arachnoid mater

10. Meninges Arachnoid Mater & Granulations

11. Meninges Arachnoid Mater & Granulations Arachnoid granulations Arachnoid mater

12. Meninges CSF production review

13. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington

14. HEMISPHERES SAGITTAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Calcarine fissure Parieto-occipital fissure cuneus Lingual gyrus Cingulate gyrus uncus Parahippocampal gyrus

15. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington

16. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington Lateral sulcus Temporal lobe Frontal lobe Pre-occipital notch Parieto-occipital fissure Central sulcus Occipital lobe Parietal lobe

17. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington

18. HEMISPHERES LATERAL VIEW Courtesy of Digital Anatomist Project at Univ. of Washington 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

19. HEMISPHERES LATERAL VIEW Locate Heschl’s gyrus Courtesy of Digital Anatomist Project at Univ. of Washington

20. HEMISPHERES LATERAL VIEW Locate frontal and parietal opercula Courtesy of Digital Anatomist Project at Univ. of Washington

21. 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

22. REVIEW: LAB 3 What sulcus separates the frontal and parietal lobes? Courtesy of Digital Anatomist Project at Univ. of Washington Answer The central sulcus

23. REVIEW: LAB 3 What gyrus is superior to the corpus callosum? Courtesy of Digital Anatomist Project at Univ. of Washington Answer The cingulate gyrus

24. QUIZ

25. A B C D E Courtesy of Digital Anatomist Project at Univ. of Washington

26. Answer Key A: internal carotid artery B: CN3 C: superior cerebellar artery D: vertebral artery E: posterior cerebral artery

27. A B C D E Courtesy of Digital Anatomist Project at Univ. of Washington

28. Answer Key A: anterior commissure B: uncus C: parahippocampal gyrus D: lingual gyrus E: fornix

29. A B C D E Courtesy of Digital Anatomist Project at Univ. of Washington

30. Answer Key A: posterior communicating artery B: superior cerebellar artery C: anterior inferior cerebellar artery D: CN 5 E: CN 6