Name the numbered structures:

1 :Ventral ramus of a thoracic spinal nerve

2 & 11:Dorsal ramus of a thoracic spinal nerve

9 :Ventral root

How do you recognize where dorsal and ventral is on this model ?

The geometry of the gray butterfly in the spinal cord (compare 6 vs 8)

Which 2 numbers points at the rami communicantes ? 12 and 13

Which 2 number points at the sympathetic chain ganglia ? Where is the dorsal root ganglion ?

The chain is from 14 and 15 downwards (notice 12,13 entering into 15). Dorsal root ganglia would be 10.