Page 801 - TNFlipTest

Toronto Notes 2019
Basic Anatomy Review
Neurosurgery NS3
C1C1 2 C2
T12
L1
2L2 L4
4C4 5C5 6C6 7 C7 T1C8 T1
C5 4L4 L5 C65
L5
V3
1. Anterior cerebral VI 2. Anterior communicating VII 3. Internal carotid VIII 4. Middle cerebral
6 7
8 9
Artery legend:
10. Anterior inferior cerebellar 11. Vertebral
12. Posterior inferior cerebellar 13. Anterior spinal
14. Posterior spinal
15. Anterior choroidal
16. Medial lenticulostriate 17. Lateral lenticulostriate 18. Penetrating branches of
posterior spinal artery (P1 segment)
Figure 4. Vascular supply of the brain
XII 13 12
Cervical Region
Lumbar Region
12 L1
C4
3C3C5 L4
Figure 3. Relationship of nerve roots to vertebral level in the cervical and lumbar spine
Note: AP views depict left-sided C4-5 and L4-5 disc herniation, and correlating nerve root impingement AI12C1
II IV
3
III
4
V1
V2 5
6
7 10 12
5. Posterior communicating IX
6. Posterior cerebral
7. Superior cerebellar
8. Basilar XI 11 14 9. Pontine
8 11 13
X
10
C6
L5 S2S1
BD
16
17 15
18
6
Please see legend for artery names. 4A. Circle of Willis, most common variant. 4B. Vascular territories of the brain and brainstem, sagittal view, seen laterally. 4C. Vascular territories of the brain and brainstem, sagittal view, seen medially
4
S3 S4
S5
Co1
1
3 L3
S1
15 57 4
8 10 12
13
14
© Robyn Hughes 2016 © Robyn Hughes 2016 after Jenna Rebelo 2010
© Robyn Hughes 2016 after Caitlin O’Connell 2009 © Robyn Hughes 2016 after Caitlin O’Connell 2009
© Hidenori Miyagawa 2006