The phrenic nerve is a nerve that originates in the neck (C3-C5) and passes down between the lung and heart to reach the diaphragm. It is important for breathing, as it passes motor information to the diaphragm and receives sensory information from it. There are two phrenic nerves, a left and a right one. The phrenic nerve originates mainly from t...
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http://en.wikipedia.org/wiki/Phrenic_nerve
(from the article `nervous system, human`) Originating from C4, with small contributions from C3 and C5, are the phrenic nerves, which carry sensory information from parts of the pleura of the ...
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http://www.britannica.com/eb/a-z/p/61
A nerve that runs from the spinal cord to the diaphragm (the thin muscle below the lungs and heart that separates the chest from the abdomen). It causes the diaphragm to contract and relax, which helps control breathing.
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http://www.cancer.gov/dictionary?expand=P
a major branch of the cervical plexus, extending through the thorax to provide innervation of the diaphragm. Nerve impulses from the inspiratory center in the brain travel down it, causing contraction of the diaphragm, so that inhalation can occur.
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http://www.encyclo.co.uk/local/21001
A paired nerve which supplies the diaphragm, pericardium and pleura.
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Type: Term Definitions: 1. arises from the cervical plexus, chiefly conveying fibers from the fourth cervical nerve, passes downward in front of the anterior scalene muscle and enters the thorax between the subclavian artery and vein behind the sternoclavicular articulation; it then passes in front of the root of the lung to the diaphragm; it is ma...
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http://www.medilexicon.com/medicaldictionary.php?t=59509
The phrenic nerve originates in the upper half of the spinal cord, between the third and fifth cervical vertebrae, and extends to innervate the diaphragm muscle. It is responsible for transmitting the nerve impulses to the diaphragm which cause it to contract and expand, facilitating breathing.
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http://www.probertencyclopaedia.com/browse/EP.HTM
[
n] - one of a pair of nerves that arises from cervical spinal roots and passes down the thorax to innervate the diaphragm and control breathing
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http://www.webdictionary.co.uk/definition.php?query=phrenic%20nerve
nervus phrenicus noun one of a pair of nerves that arises from cervical spinal roots and passes down the thorax to innervate the diaphragm and control breathing
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https://www.encyclo.co.uk/local/20974
No exact match found.
