Superior cardiac nerve
Infobox Nerve
Name = PAGENAME
Latin = nervus cardiacus cervicalis superior
GraySubject = 216
GrayPage = 979
Caption = Diagram of the cervical sympathetic. (Superior cardiac nerve labeled at center right.)
Caption2 =
Innervates =heart
BranchFrom =superior cervical ganglion
BranchTo =
MeshName =
MeshNumber =
DorlandsPre = n_05
DorlandsSuf = 12565306
The superior cardiac nerve arises by two or more branches from thesuperior cervical ganglion , and occasionally receives a filament from the trunk between the first and second cervical ganglia.It runs down the neck behind the
common carotid artery , and in front of theLongus colli muscle ; and crosses in front of theinferior thyroid artery , andrecurrent nerve .The course of the nerves on the two sides then differ.
Right nerve
The right nerve, at the root of the neck, passes either in front of or behind the
subclavian artery , and along theinnominate artery to the back of the arch of the aorta, where it joins the deep part of thecardiac plexus .It is connected with other branches of the sympathetic; about the middle of the neck it receives filaments from the external laryngeal nerve; lower down, one or two twigs from the
vagus ; and as it enters the thorax it is joined by a filament from the recurrent nerve.Filaments from the nerve communicate with the thyroid branches from the
middle cervical ganglion .Left nerve
The left nerve, in the thorax, runs in front of the left
common carotid artery and across the left side of thearch of the aorta , to the superficial part of thecardiac plexus .External links
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Look at other dictionaries:
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