Jackofknives Ipwnpoker.com

Topics: 91 Posts: 718
| | 08/13/07 - 03:36 AM  
 
   
 
|   #2 |
I dont quite understand what you are writing here. for preganglionic, that would be preganglionic NERVE right? hence u mentioned CNIII. superior cervical ganglion is not a nerve
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| Data Forum Newbie
Topics: 0 Posts: 16
| | 08/16/07 - 03:07 PM  
 
   
 
|   #3 |
What he means is that the preganglionic sympathetic axons synapse with the post ganglionic neurons in the superior cervical ganglion, which then send out their axons as the short ciliary nerve to the dilator muscle.
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Topics: 0 Posts: 16
| | 08/16/07 - 03:10 PM  
 
   
 
|   #4 |
And for the sphincter muscle hes used a different method of elaboration, hence the confusion. Hes saying the preganglionic PS neurons are in the CNIII nucleus, whereas the postganglionic PS axons reach the muscle as the short ciliary nerve. Hes completely skipped the ganglion here.
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