The human nervous system consists of a vast network of nerves that transmit signals between the brain, spinal cord, and the rest of the body. These nerves are classified into:…
Vagus nerve dysfunction may result from the vagus nerve's inability to properly regulate several physiological functions. The vagus nerves transmit signals to your heart, brain, and digestive system. Your parasympathetic nervous…
Hypoglossal nerve palsy or paralysis is an occasional but clinically serious disorder that results from affecting the hypoglossal nerve (cranial nerve XII). The tongue's intrinsic and extrinsic muscles, which are…
Spinal Accessory Nerve Palsy, also known as Accessory Nerve Palsy, is a neurological condition characterized by the dysfunction of the spinal accessory nerve (cranial nerve XI). This nerve is primarily…
Introduction The hypoglossal nerve is the 12th paired cranial nerve. Its name is derived from ancient Greek, where 'hypo' means under and 'glossal' means tongue. Except for the palatoglossus, which…
Abducens nerve palsy is a disorder where injury to a specific nerve disrupts eye movement and alignment. The abducens nerve, one of the pairs of cranial nerves, regulates the movement…
Introduction The vagus nerve, also known as the 10th cranial nerve or CN X, is one of the longest and most complex nerves in the human body. It starts in…
Introduction The accessory nerve, also known as cranial nerve XI (CN XI), is one of the 12 cranial nerves in humans. It is considered a motor nerve and primarily innervates…
What is an Oculomotor Nerve Palsy? An eye condition called oculomotor nerve palsy or oculomotor neuropathy is caused by injury to the third cranial nerve or one of its branches. As…
Introduction The glossopharyngeal nerve is also called the ninth cranial nerve (CN IX). It is one of the four cranial nerves, that perform sensory, motor, and parasympathetic functions. It starts…