The supratrochlear veins (frontal veins) begin on the forehead in a venous plexus which communicates with the frontal branches of the superficial temporal vein.

The veins converge to form a single trunk, which runs downward near the middle line of the forehead parallel with the vein of the opposite side.

The two veins are joined, at the root of the nose, by a transverse branch, called the nasal arch, which receives some small veins from the dorsum of the nose.

At the root of the nose the veins diverge, and, each at the medial angle of the orbit, joins thesupraorbital vein, to form the angular vein.

Occasionally the frontal veins join to form a single trunk, which bifurcates at the root of the noseinto the two angular veins.

Esta definição inclui textos do site wikipedia – Wikipedia: enciclopédia libre (22 de julho de 2004). FL: Wikimedia Foundation, Inc. Recuperado no dia 10 de agosto de 2004, de


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