Neuroanatomy

Question 1

At which spinal level is sympathetic outflow?

Answer 1

T1-L2

Question 2

Describe the structures within the grey matter in the spinal cord?

Answer 2

H-shaped inner core

Contains neuronal cell bodies

Divided into:
Dorsal (posterior) horns – sensory neurons

Ventral (anterior) horns – motor neurons

Lateral horns – autonomic neurons (T1–L2)

Question 3

Describe the structures within the white matter in the spinal cord?

Answer 3

Contains myelinated axons

Organized into:

Dorsal columns – sensory (touch, proprioception)

Lateral columns – motor and sensory

Ventral columns – motor