Brain and Spinal Cordelearning.dt.mahidol.ac.th/departments/anatomy/pdf/...12th rib Meninges of spinal cord (arachnoid & pia maters) Arachnoid mater Dorsal rootlets of 12th thoracic

Brain and Spinal Cord in situ

1

Dorsal View of Spinal Cord and Meninges

2

3

Spinal Cord in situ

Dorsal View of Upper Spinal Cord and Meninges

4

Dorsal View of Lower Spinal Cord and Meninges

5

Dorsal View of Lower Spinal Cord and Meninges

Spinal Cord Segments at Different Levels

Sacral segment

Lumbar segment(Lumbar enlargement)

Lower thoracic segment

Upper thoracic segment

Lower cervical segment(Cervical enlargement)

Upper cervical segment

6

7

Lower Lumbar Segment

Sacral Segment

Sections of Spinal Cord

8

Upper Lumbar Segment

Lower lumbar Segment

Sections of Spinal Cord

9

Upper Thoracicl Segment

Lower Thoracic Segment

Sections of Spinal Cord

10

Cervical Enlargement

Cervical Enlargement

Sections of Spinal Cord

11

Upper Cervical Segment

First Cervical Segment

Sections of Spinal Cord

Descending pathway 1

12

13

Descending pathway 2

14

Descending pathway 3

Ascending pathway 1

15

Ascending pathway 2

16

17

Ascending pathway 3