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Which plexus supplies motor movement to the posterior of legs and thighs?
The sacral plexus supplies motor movement to the posterior of the legs and thighs. It is formed by the lumbosacral spinal nerves and gives rise to nerves like the sciatic nerve, which innervates many muscles in this region.
What is the Network of spinal nerves that supplies the pelvis and legs?
The network of spinal nerves that supplies the pelvis and legs is known as the lumbosacral plexus. It is formed by the lower lumbar and sacral spinal nerves and gives rise to various nerves that innervate the lower extremities, including the sciatic nerve, femoral nerve, and obturator nerve. These nerves play a crucial role in motor and sensory functions of the pelvis and legs.
What nerves in the body comes from c6 and c7?
The C6 nerve root gives rise to the musculocutaneous nerve, which innervates the muscles in the arm such as the biceps. The C7 nerve root gives rise to the median nerve, which innervates muscles in the forearm and hand as well as provides sensation to the palm and fingers.
Point of which the facial nerve starts to branch?
The facial nerve starts to branch at the geniculate ganglion, which is located just after the nerve exits the internal acoustic meatus of the temporal bone in the skull. From the geniculate ganglion, the facial nerve gives rise to branches that innervate different muscles of the face as well as the lacrimal and salivary glands.
What is the structure represents the parasympathetic innervation fo the heart?
The parasympathetic innervation of the heart is primarily provided by the vagus nerve (cranial nerve X). The nucleus ambiguus in the medulla oblongata gives rise to the vagus nerve fibers that innervate the heart. These fibers slow down the heart rate by releasing acetylcholine at the SA node.
