Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
Definition
The levator palpebrae superioris is a muscle in the orbit of the eye that elevates the upper eyelid, enabling the eye to open. It plays a crucial role in controlling the amount of light entering the eye and contributes to facial expressions.
The twelve nerves that emerge directly from the brain, not through the spinal cord, and provide motor and sensory functions to structures in the head and neck.