Phrenic Nerve: Anatomy & Function - Cleveland Clinic
2022年1月9日 · Where is the phrenic nerve? Your phrenic nerve connects to the C3 to C5 cervical (neck) nerve roots of your spinal cord. The nerve: Starts at the C3 vertebral level, the part that aligns with your jaw and helps you bend and rotate your neck. Connects to the C4 and C5 vertebral levels in your neck, below the C3 vertebra.
Phrenic Nerve: Function, Location, and Health Problems - WebMD
Where Is the Phrenic Nerve Located? Nerve fibers from the third, fourth, and fifth spinal nerves emerge from the spinal cord in the neck.
Phrenic nerve - Wikipedia
In humans, the right and left phrenic nerves are primarily supplied by the C4 spinal nerve, but there is also a contribution from the C3 and C5 spinal nerves. From its origin in the neck, the nerve travels downward into the chest to pass between the …
Phrenic nerve: origin, course and function - Kenhub
2023年10月30日 · The phrenic nerve is a mixed nerve, carrying motor, sensory and sympathetic fibers. It is the only nerve that provides motor innervation to the diaphragm, with the left and right phrenic nerves innervating their corresponding ipsilateral hemidiaphragms.
Phrenic Nerves: Anatomy, Function, and Conditions - Verywell …
2024年9月13日 · Originating in the cervical spine (C3 to C5), the phrenic nerves are vulnerable to injury as they travel down the neck and through the chest into the diaphragm. Understanding the anatomy of the phrenic nerves is essential for surgeons and others who perform procedures in …
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.
Anatomy, Thorax, Phrenic Nerves - StatPearls - NCBI Bookshelf
2023年7月24日 · The phrenic nerve must be identified in cervical and thoracic surgical dissection to preserve the neuromuscular pathways. Superior to the clavicle, the phrenic nerve can be located in the posterior triangle of the neck, superficial to the anterior scalene.
Phrenic Nerve - Physiopedia
The right Phrenic nerve descends in the thorax along the right side of the right brachiocephalic vein and the superior vena cava. It passes in front of the root of the right lung and runs along the right side of the pericardium, which separates the nerve from the right atrium.
Phrenic nerve - Location, Structure, Functions, Diagram
2023年9月23日 · The phrenic nerve is a crucial nerve that originates from the cervical plexus, primarily from the C3, C4, and C5 spinal roots. Its primary function is to provide motor innervation to the diaphragm, the main muscle involved in breathing.
Phrenic Nerve | Complete Anatomy - Elsevier
The phrenic nerve is a mixed motor and sensory nerve. The bulk of the phrenic nerve innervates the respiratory diaphragm, the major muscle of respiration. The right phrenic nerve innervates the right side of the diaphragm, while the left phrenic nerve innervates the left side of the diaphragm.
- 某些结果已被删除