The angular artery is the terminal part of the facial artery; it ascends to the medial angle of the eye's orbit, imbedded in the fibers of the angular head of the quadratus labii superioris, and accompanied by the angular vein.
Blood vessels of the eyelids, front view. 1, supraorbital artery and supraorbital vein; 2, nasal artery; 3, angular artery, the terminal branch of 4, the facial artery; 5, suborbital artery; 6, anterior branch of the superficial temporal artery; 6’, malar branch of the transverse artery of the face; 7, lacrimal artery; 8, superior palpebral artery with 8’, its external arch; 9, anastomoses of the superior palpebral with the superficial temporal and lacrimal; 10, inferior palpebral artery; 11, facial vein; 12, angular vein; 13, branch of the superficial temporal vein.
The arteries of the face and scalp (angular artery labeled at center right)
On the cheek it distributes branches which anastomose with the infraorbital; after supplying the lacrimal sac and orbicularis oculi, it ends by anastomosing with the dorsal nasal branch of the ophthalmic artery.