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Fifth, or trifacial, or trigeminal, is the largest cranial nerve It has three divisions : (1) The ophthalmic, which leaves th6 cranium through the sphenoidal fissure, and sends branches to the skin of the forehead, the lachrymal gland, the eye, and the nose (sensory). (2) The superior maxillary leaves the cranium by the foramen rotundum ; it supplies the skin of the temple, cheek, nose, upper lip, upper teeth, and the mucous lining of the mouth and pharynx (sensory). (3) The inferior maxillary leaves the cranium through the foramen ovale ; it gives branches to the temple and external ear, the teeth, and lower jaw, and supplies the tongue with a nerve of taste (motor and sensory).
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Where does the optic nerve, also known as cranial nerve II, originate in the human body?
The optic nerve, also known as cranial nerve II, originates in the back of the eye, specifically at the retina.
What type of cell is the longest in the human body?
The longest cells are neurons (nerve cells) with a length of 90cm-100cm linking the central nervous system (brain and spinal cord) to other parts of the body.
How long are the nerves in the human body?
The nerves in the human body can vary in length, but the longest nerve in the body is the sciatic nerve, which can be up to about 18 inches long.
What is the significance of the longest nerve in the human body, and how does it impact our overall health and functioning?
The longest nerve in the human body is called the sciatic nerve. It plays a crucial role in connecting the brain to the lower body, controlling movement and sensation. When the sciatic nerve is compressed or irritated, it can cause pain, numbness, and weakness in the lower back, buttocks, legs, and feet. This condition, known as sciatica, can significantly impact a person's mobility and overall quality of life. Proper care and treatment of the sciatic nerve are important for maintaining good health and functioning.
Is the sciatic nerve the largest nerve in the body?
Yes, the sciatic nerve is the largest nerve in the human body.
The longest cell in human body?
The Longest cell in the human body is the nerve cell.
What the longest cell in the human body?
Nerve cell is the longest cell in human body.
What is the name of the longest neuron in the human body?
The sciatic nerve is the largest single nerve in the human body, running from each side of the lower spine to deep in the rear and back of the thigh and all the way down to the foot. It connects the spinal cord with the leg and foot muscles.
Which is the longest nerve in the human body?
sciatic nerve
Where does the optic nerve, also known as cranial nerve II, originate in the human body?
The optic nerve, also known as cranial nerve II, originates in the back of the eye, specifically at the retina.
What type of cell is the longest in the human body?
The longest cells are neurons (nerve cells) with a length of 90cm-100cm linking the central nervous system (brain and spinal cord) to other parts of the body.
How long are the nerves in the human body?
The nerves in the human body can vary in length, but the longest nerve in the body is the sciatic nerve, which can be up to about 18 inches long.
Which cranial nerve controls hearing and body balance?
The cranial nerve that controls hearing and body balance is the vestibulocochlear nerve, also known as cranial nerve VIII. It has two main branches: the cochlear branch, responsible for hearing, and the vestibular branch, responsible for balance and spatial orientation.
The longest nerve of the human body?
The sciatic nerve (also known as the ischiatic nerve) is a large nerve fiber in humans and other animals. It begins in the lower back and runs through the buttock and down the lower limb. It is the longest and widest single nerve in the human bod
How many nerve endings in the entire body?
There are approximately seven trillion nerves in the human body. There are twelve pairs of cranial nerves and thirty two pairs of spinal nerve roots which then branch out to the rest of the body.
Which cell is the longest?
Nerve cells, also known as neurons, can be some of the longest cells in the body. They can extend from the spinal cord to the tips of your toes and are designed to transmit electrical impulses over long distances.
What is the difference between the auditory nerve and optic nerve?
Auditory nerve is eighth cranial nerve. It is called as vestibulocochlear nerve. It is the nerve to meant for hearing and balancing your body. The optic nerve is second cranial nerve. It carries sensory signals from your eye to the brain. It arises from the retina of the eye.
