SNS Flashcards
1
Q
Where do preganglionic neurons originate?
A
from the intermediolateral columns of the thoracolumbar spinal cord
2
Q
Where do they synapse with the postganglionic fibers?
A
In paravertebral sympathetic ganglia
3
Q
Where do they exit?
A
Via the ventral root of the spinal cord
4
Q
How many pairs are there?
A
22
5
Q
What NT do they release?
A
Ach
6
Q
Where do postganglionic neurons synapse?
A
At target organs
7
Q
What NT do postganglionic neurons release?
A
NE
8
Q
What are the paravertebral ganglia?
A
Cervical, stellate, thoracic, abdominal and pelvic
9
Q
What are the prevertebral ganglia?
A
celiac, superior/inferior mesenteric, renal
