1 2 7 6 8 3 5 9 4 ANATOMICAL ORIENTATION CLINICAL ORIENTATION Dorsal median sulcus 1 Dorsal median septum 2 Ventral median fissure 7 GRAY MATTER 6 WHITE MATTER Dorsal median septum 8 3 5 CENTRAL CANAL 9 Dorsal median sulcus Ventral median fissure 4

This is a slice through part of the spinal cord? ANATOMICAL ORIENTATION CLINICAL ORIENTATION cuneate fascicle gracile fascicle 2 septum 3 4 Substantia Gelatinosa 1 GRAY MATTER: Dorsal horn Intermediate zone Ventral horn 5 6 7 WHITE MATTER: Dorsal Columns Lateral Columns Ventral Columns 8 9 Intermediolateral Cell Column 12 10 11 Motor nuclei of ventral horn This is a slice through part of the spinal cord? Thoracic

This is a slice through part of the spinal cord? ANATOMICAL ORIENTATION CLINICAL ORIENTATION Cuneate Fascicle Gracile Fascicle 5 14 4 Ventral Column GRAY MATTER CENTRAL CANAL WHITE MATTER 3 dorsal intermediate septum 6 2 substantia gelatinosa 7 1 DORSAL HORN 8 INTERMEDIATE GRAY 9 lateral motor nuclei 10 medial motor nuclei 11 Ventral median fissure 13 Lateral Column 16 VENTRAL HORN Dorsal Column 15 12 This is a slice through part of the spinal cord? Cervical

This is a slice through part of the spinal cord? ANATOMICAL ORIENTATION CLINICAL ORIENTATION Gracile fascicle 2 DORSAL COLUMN = 3 14 Ventral Column substantia gelatinosa 4 LATERAL COLUMN 1 DORSAL HORN 5 INTERMEDIATE GRAY 6 VENTRAL HORN 7 WHITE MATTER 13 GRAY MATTER 12 lateral motor nuclei 8 medial motor nuclei 9 Ventral median fissure 10 VENTRAL COLUMN 11 central canal 15 This is a slice through part of the spinal cord? Lumbar

1 3 2 8 4 5 7 6 VERTEBRAL BODY LATERAL W.M. VENTRAL W. M. VENTRAL G.M. or HORN 8 SUBARACH- NOID SPACE 4 VERTEBRAL SPINE DORSAL G.M. 5 7 DORSAL W.M. 6

It’s NOT spinal cord, it’s the LUMBAR area of the SPINAL COLUMN 1 Vertebral Body Subarachnoid Space (bright in MR-T2 images) 2 Location of the arachnoid (inner layer) and dura (outer layer) 3 5 Cauda Equina small amount of epidural fat 4 This is a slice through part of the spinal cord? It’s NOT spinal cord, it’s the LUMBAR area of the SPINAL COLUMN

This is a slice through part of the spinal cord? Cervical

Transition b/t Cervical & Thoracic (T2) This is a slice through part of the spinal cord? Transition b/t Cervical & Thoracic (T2)

2 1 3 SLICES TO REMOVE CEREBELLUM CEREBELLUM BASE OF PONS MIDDLE CEREBELLAR PEDUNCLE SLICES TO REMOVE CEREBELLUM IV VENTRICLE 3 CEREBELLUM

6 1 2 5 3 4

1 2 3 4 5 6

10 11 12 1 13 2 3 4 14 5 15 16 17 6 18 19 20 7 8 9

2 3 4 5 6 7 8 9 12 10 11 Olfactory Optic Occulomotor Trochlear Trigeminal Abducens Facial Vestibulocochlear Glossopharyngeal Vagus Accessory Hypoglossal 2 3 4 5 6 7 8 9 12 10 11

1 2 3 Cerebral Peduncle 4 5 6 11 7 8 10 9

3 4 2 Folia Fissures 1 6 7 5 8

1 2

1 2 3 4