Chapter 3: Autonomic Nervous System- Sympathetic (Thoracolumbar Division) Flashcards
1
Q
What is the order of ganglia in the sympathetic division of the autonomic nervous system?
A
1) Preganglionic (first order) neurons in the lateral gray horns of spinal segments T1-L2
send preganglionic fibers to…
2) Ganglia near spinal cord- Preganglionic fibers release ACh (excitatory), stimulating ganglionic (second-order) neurons
send postganglionic fibers to
3) Target organs- Postganglionic fibers release NE at neuroeffector junction
4) Fight or flight response
