The Phrenic Nerve is a bilateral, mixed nerve originating from the cervical spinal roots C3, C4, and C5, primarily C4. It is crucial for respiration as it provides motor innervation to the diaphragm, the primary muscle involved in breathing.
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| File Name | The-Phrenic-Nerve.pptx |
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| Number of Slides | 23 |
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The Phrenic Nerve PPT Summary
- The phrenic nerve is essential for diaphragm function, directly impacting respiratory mechanics.
- It has both motor and sensory roles, affecting breathing and sensation in the thoracic cavity.
- Anatomically, the phrenic nerve has distinct pathways on the right and left sides of the body, influenced by surrounding vascular structures.
- Damage to the phrenic nerve can lead to significant clinical issues, including paradoxical movement of the diaphragm.
- The historical use of phrenic crush illustrates the nerve’s importance in clinical interventions for lung conditions.
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