Frontal Nerve: Key to Forehead Sensation
The frontal nerve, a significant branch of the fifth cranial nerve's ophthalmic division, plays a crucial role in transmitting sensory information from the forehead and surrounding areas. It splits into two key nerves: the supratrochlear and supraorbital nerves.
The frontal nerve, the largest branch of the ophthalmic nerve, is responsible for conveying sensory information from the upper eyelid, the anterior scalp, and the bridge of the nose. This is achieved through its specific branches, the supraorbital nerve and the supratrochlear nerve.
The supraorbital nerve, one of these branches, transmits sensory information from the forehead and the upper eyelid, as well as the scalp. Meanwhile, the supratrochlear nerve conveys information from the medial portion of the upper eyelid, the medial forehead, and the bridge of the nose. Both nerves contribute to the overall sensory perception of these areas.
The frontal nerve, through its branches the supraorbital and supratrochlear nerves, ensures the sensory function of the forehead, upper eyelid, and surrounding areas. This is integral to our perception of touch, temperature, and pain in these regions.
