Phrenic nerve - Wikipedia
The phrenic nerve is a mixed nerve that originates from the C3–C5 spinal nerves in the neck. The nerve is important for breathing because it provides exclusive motor control of the diaphragm, the primary muscle of respiration.
Phrenic nerve: origin, course and function - Kenhub
2023年10月30日 · The phrenic nerve is a mixed nerve arising from the anterior rami of C3-C5 spinal nerves, which are components of the cervical plexus. It arises in the neck and descends vertically through the thorax to end on the diaphragm.
Phrenic Nerve: Anatomy & Function - Cleveland Clinic
2022年1月9日 · What is the phrenic nerve? The phrenic nerve controls your diaphragm (the large dome-shaped muscle between your abdominal and chest cavities). It’s essential to breathing. Your nerve sends signals that cause your diaphragm to contract (become thicker and flatter). This movement gives your lungs room to expand and take in air (inhalation).
Anatomy, Thorax, Phrenic Nerves - StatPearls - NCBI Bookshelf
2023年7月24日 · In the neck and upper thorax, the left phrenic nerve tracts proximal to the subclavian artery. The right phrenic nerve runs superficial to the anterior scalene muscle and the second part of the right subclavian artery.
The Phrenic Nerve - Anatomical Course - TeachMeAnatomy
2019年10月26日 · The phrenic nerve is a bilateral, mixed nerve that originates from the cervical nerves in the neck and descends through the thorax to innervate the diaphragm. It is the only source of motor innervation to the diaphragm and therefore plays a crucial role in breathing.
Phrenic Nerves: Anatomy, Function, and Conditions - Verywell Health
2024年9月13日 · What Are the Phrenic Nerves? Anatomy, Function, and Related Conditions. Your two phrenic nerves are the only nerves that control the diaphragm, the dome-shaped muscle that sits between your chest and abdomen. They play a critical role in breathing and are responsible for the hiccup reflex.
Phrenic Nerve: Function, Location, and Health Problems - WebMD
Where Is the Phrenic Nerve Located? The phrenic nerve controls the diaphragm, the dome-shaped muscle that is primarily responsible for breathing. Contraction of the diaphragm expands the lungs and...
Phrenic Nerve - Physiopedia
Phrenic nerve palsy (also known as phrenic nerve paresis or paralysis) has many causes and can be caused by lesions anywhere along the course of the phrenic nerve, as it travels from the neck, to pierce the diaphragm adjacent to the pericardium. One common etiology of phrenic nerve injury is primarily from thoracic and cardiac surgery.
Phrenic Nerve Injury - StatPearls - NCBI Bookshelf
2023年8月20日 · Phrenic nerve injury, such as may occur from cardiothoracic surgery, can lead to diaphragmatic paralysis or dysfunction. The presentation of phrenic nerve injury is non-specific, and the diagnosis may easily be missed.
Phrenic nerve | Radiology Reference Article - Radiopaedia.org
2023年3月7日 · The phrenic nerve is a mixed motor/sensory nerve that courses through the neck and thorax to innervate the diaphragm. Arises from the ventral rami of the C3, C4 and C5 nerve roots, part of the cervical plexus.