Week 5 - Autonomic Innervation of the Head and Neck Flashcards
1
Q
State the origin of the sympathetic division of the autonomic nervous system.
A
Thoracolumbar region of spinal cord (T1-L2): lateral horn
2
Q
State the origin of the sympathetic outflow to the head and neck region.
A
T1-T2 spinal segments of the spinal cord
3
Q
How do postganglionic sympathetic fibres reach their target tissues in the head and neck?
A
By hitch-hiking onto blood vessels
4
Q
What are nuclei?
A
Collections of pre-ganglionic parasympathetic nerve cell bodies
