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Unformatted text preview: cell bodies of preganglionic autonomic neurons. in sympathe division, the
axon leave spinal cord, synapse the paravertebral ganglia chain. some sympathetic axon go
right through the
1. some pregang axon go through 1
2. postgang go affect target tissue in the head.
in lower level of axis, some pregang and make synapse on 3 synapse called prevertebral
the third target of pregang sympat neuron is adrenal medulla. these are longest pre neuron.
the t1-l2 (thoracolumn)
symp summarize: the ganglia where the synap between pre and post is locate far away from
target organ, making postganglia long 2 Sympathetic =
Thoracolumbar 1 – cervical ganglia
2 – prevertebral ganglia
3 – adrenal medulla Parasympathetic
3 Adrenal Medulla cells of adrenal medulla are nerve cells. if you remove chromatin cell, they will differentiate into
neurons (sympathetic neuron). at intermediate horn (where cell bodies are), go to adrenal
medulla, synapse at chromatin cell, release epinephrine, hormone that is release in blood. Autonomic
para locate at top at brainstem and sacral (s2-s4). the outflow of
prega is craniosacral. the prega axon (blue) tend to be long. go all
the way to target tissue. at target tissue is where they encounter
post gang. in para, the preg axon are long and at ganglion (where
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This document was uploaded on 03/09/2014 for the course EXSC 301 at USC.
- Spring '09