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Phrenic

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Alberto Hoeger

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2y ago
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12y ago

The phrenic nerve is the motor nerve serving the diaphragm.

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12y ago

The diaphragm is primarily innervated by the phrenic nerve which is formed from the cervical nerves C3, C4, and C5.

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9y ago

Phrenic nerve supplies motor nerves to the diaphragm.

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14y ago

The Phrenic Nerve

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11y ago

the phrenic nerve

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9y ago

the phrenic nerve
Phrenic Nerve

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phrenic

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Q: What nerve innervates the diaphragm causing it to contract?
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Related questions

What nerve innervates the visceral muscles of the stomach causing contraction and hence motility?

The Vagus Nerve.


What muscle does the phrenic nerve innervate?

The phrenic nerve innervates the diaphragm which is our main breathing muscle. It is a broad flat sheet that encircles our lower ribcage and separates our thoracic from our abdominal cavities. The phrenic nerve arises from the C3-C5 level of our vertebrae. In the event of a broken neck, that is often the determining factor whether someone will die (from an inability to breathe) or is just paralyzed.


What are the attachments of the diaphragm and what nerve innervates it?

The diaphragm is attached to the xiphoid process (Sternum), the lower six costal cartilages (ribs) and the upper three lumbar vertebrae (back bone), and the fibres converge to a central median tendon. It is supplied by the phrenic nerve.


What stimulates the diaphragm?

The diaphragm is stimulated to contract and relax by the phrenic nerve, which originates from the cervical spine. This nerve sends signals to the diaphragm to contract, allowing it to move downward and create negative pressure in the chest cavity for inhalation, and then to relax for exhalation.


What is the nerve which innervates the vas deferens?

The nerve that innervates the vas deferens is the sympathetic nerve.


The phrenic nerve arises from the?

The phrenic nerve arises from the spinal cord at C3, C4, and C5 nerve levels. It originates from the cervical plexus and innervates the diaphragm muscle, playing a crucial role in controlling breathing.


The nerve that innervates the abductor pollicus brevis in most people is called?

The nerve that innervates the abductor pollicis brevis in most people is the median nerve.


What are the major nerves serve in the diaphgram?

Cervical Plexus- The major motor branch of this plexus is the phrenic nerve which from C3 via C4 and passes into the thoracic cavity in front of the first rib to innervate the diaphragm. "C3 C4 C5, keep the diaphragm alive." <3 Hope it helps :)


Which cranial nerve innervates the diaphragm muscle?

The phrenic nerve, arising from the cervical nerve roots C3-C5, innervates the diaphragm muscle. It plays a critical role in the control of breathing by transmitting signals to the diaphragm to contract and facilitate inspiration.


What Nerve carrying motor information causing left leg extension?

The nerve responsible for carrying motor information causing left leg extension is the sciatic nerve, specifically the fibular (peroneal) division which innervates the muscles that extend the leg.


What major nerve innervates the extensors of the leg?

The sciatic nerve is the major nerve that innervates the extensor muscles of the leg, particularly the tibialis anterior muscle. It is a large nerve that branches into the common fibular nerve and the tibial nerve, both of which supply various muscles in the leg.


What is the specific nerve that innervates the cochlea?

The cochlea is innervated by the cochlear nerve, which is the auditory branch of the vestibulocochlear nerve (cranial nerve VIII). It carries sound information from the cochlea to the brainstem for processing.