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Major functions of the phrenic nerves?
The major function of the phrenic nerves is to innervate the diaphragm, which is the primary muscle responsible for respiration. These nerves play a crucial role in controlling the movement of the diaphragm during breathing by sending signals from the brain to the diaphragm muscle. Dysfunction of the phrenic nerves can lead to respiratory issues and difficulty breathing.
What does the spinal nerves from the sacral region of the cord innervate?
leg
Why is the face not included in the dermatome distribution?
The face is not included in typical dermatome distribution because the cranial nerves innervate the face instead of spinal nerves. The cranial nerves, specifically the trigeminal nerve (CN V), provide sensory innervation to the face.
What nerves innervate the heart?
vagus nerve and sympathetic fibers
What nerves innervate the muscles of the calf?
Mainly tibial nerve, and superficial peroneal
Autonomic nerves innervate what three things?
Smooth muscle Cardiac muscle Gland
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 :)
What is the difference between peripheral nerves and cranial nerves?
cranial nerves are nerves which arise from different parts of brain that are paired and 12 pair and 24 in number. peripheral nerves are neurons that exists out side brain and spinalcord and make up peripheral nerve system.
Where are ther nerves to the colon located in the spine?
The nerves that innervate the colon originate from the spinal levels T10-L2. These nerves form the superior mesenteric plexus, which supplies the colon with autonomic innervation.
What are the nerves that control the muscles in your diaphragm?
Phrenic Nerve
What nerve is carrying the afferent and efferent impulses during the patellar reflex?
The nerves innervate the quadriceps. The afferent nerves are the muscle spindles and the efferent are the motor neurons.
How many nerves are in the leg?
There are numerous nerves in the leg, including the sciatic nerve, femoral nerve, and tibial nerve. These nerves innervate different areas of the leg, providing sensation and motor function.
