scholarly journals Specificity of initial synaptic contacts made on guinea-pig superior cervical ganglion cells during regeneration of the cervical sympathetic trunk.

1978 ◽  
Vol 281 (1) ◽  
pp. 45-62 ◽  
Author(s):  
A Njå ◽  
D Purves
Keyword(s):  
Guinea Pig ◽  
Superior Cervical Ganglion ◽  
Ganglion Cells ◽  
Sympathetic Trunk ◽  
Synaptic Contacts ◽  
Cervical Sympathetic Trunk ◽  
Cervical Ganglion ◽  
Cervical Sympathetic

scholarly journals Location of Retrograde Changes in the Nervous System Following Unilateral Sympathectomy in Sheep

2002 ◽  
pp. 7-10
Author(s):  
Janusz Welento
Keyword(s):  
Nervous System ◽  
Vagus Nerve ◽  
Stellate Ganglion ◽  
Sympathetic Trunk ◽  
Cervical Sympathetic Trunk ◽  
Cervical Ganglion ◽  
Cervical Sympathetic

Following unilateral right sympathectomy in sheep, it was found on the strength of retrograde changes in the anterior cervical ganglion, the stellate ganglion and neuromeres Th1 – Th4 that there exists a connection between the cervical sympathetic trunk and the vagus nerve.

Supersensitivity of denervated superior cervical ganglion to acetylcholine

1960 ◽  
Vol 198 (5) ◽  
pp. 949-954 ◽  
Author(s):  
Shu Chien
Keyword(s):  
Superior Cervical Ganglion ◽  
The Other ◽  
Nictitating Membrane ◽  
Indirect Determination ◽  
Cervical Sympathetic Trunk ◽  
Cervical Ganglion ◽  
Cervical Sympathetic ◽  
Two Sides

The supersensitivity of denervated superior cervical ganglion to acetylcholine was studied in cats at 2 weeks after the section of cervical sympathetic trunk on one side, with the other side as a control. The control ganglion required about four times as much of acetylcholine as the denervated side, in order to release the same amount of norepinephrine at the postganglionic endings. The relative quantity of norepinephrine released on acetylcholine administration to ganglia was determined indirectly by using the in vivo nictitating membrane as an indicator, whose responses to various doses of norepinephrine had been calibrated. The validity of such indirect determination of norepinephrine was shown by experiments in which the eyeballs were removed or the lever magnifications were made unequal. With control cats in which both cervical sympathetic trunks were cut acutely, the sensitivity of the ganglia on two sides to acetylcholine was almost equal.

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