Veins of the head and neck. (Supraorbital vein visible at upper right.)
The tarsi and their ligaments. Right eye; front view. (Supraorbital vessels labeled at upper right.)
Previous to its junction with the frontal vein, it sends through the supraorbital notch into the orbit a branch which communicates with the ophthalmic vein; as this vessel passes through the notch, it receives the frontal diploic vein through a foramen at the bottom of the notch.
The areas drained by this vessel are the forehead, eyebrow and upper eyelid.
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