phrenic nerve

phrenic nerve n a general motor and sensory nerve on each side of the body that arises chiefly from the fourth cervical nerve, passes down through the thorax to the diaphragm, and supplies or gives off branches supplying esp. the pericardium, pleura, and diaphragm called also phrenic

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the nerve that supplies the muscles of the diaphragm. On each side it arises in the neck from the third, fourth, and fifth cervical spinal roots and passes downwards between the lungs and the heart to reach the diaphragm. Impulses through the nerves from the brain bring about the regular contractions of the diaphragm during breathing.

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nervus phrenicus.

Medical dictionary. 2011.

Look at other dictionaries:

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  • phrenic nerve — 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 • Syn: ↑nervus phrenicus • Hypernyms: ↑spinal nerve, ↑nervus spinalis * * * noun : a nerve of each… …   Useful english dictionary

  • phrenic nerve — the nerve that supplies the muscles of the diaphragm. On each side it arises in the neck from the third, fourth, and fifth cervical spinal roots and passes downwards between the lungs and the heart to reach the diaphragm. Impulses through the… …   The new mediacal dictionary

  • Phrenic Nerve Pacing — (PNP) or diaphragm pacing, is the rhythmic application of electrical impulses to the diaphragm, resulting in respiration for patients who would otherwise be dependent on a mechanical ventilator.This concept was originally referred to as… …   Wikipedia

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  • Nerve to the subclavius — Nerve: Nerve to the subclavius Plan of brachial plexus. (Nerve to subclavius labeled at top center.) …   Wikipedia

  • Phrenic — Phren ic, a. [Gr. ?, ?, the midriff, or diaphragm, the heart, the mind: cf. F. phr[ e]nique.] (Anat.) Of or pertaining to the diaphragm; diaphragmatic; as, the phrenic nerve. [1913 Webster] …   The Collaborative International Dictionary of English

  • Phrenic plexus — Infobox Nerve Name = PAGENAME Latin = plexus phrenicus GraySubject = 220 GrayPage = 985 Caption = The celiac ganglia with the sympathetic plexuses of the abdominal viscera radiating from the ganglia. (Phrenic plexus labeled at upper left.)… …   Wikipedia

  • phrenic crush — 1) damage to the phrenic nerve as a result of trauma. 2) formerly, surgical crushing of a portion of the phrenic nerve. This paralyses the diaphragm on the side operated upon, which is then pushed upwards by the abdominal contents, thus pressing… …   The new mediacal dictionary

  • phrenic — 1. SYN: diaphragmatic. 2. Relating to the mind. * * * phren·ic fren ik adj of or relating to the diaphragm phrenic n PHRENIC NERVE * * * phren·ic (frenґik) 1. pertaining to the diaphragm of the body; called also diaphragmatic. 2 …   Medical dictionary

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