1naresh
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Ophthalmic Artery Branch Origin of the Ophthalmic Branch ECA Branch Proximal lacrimal artery (main branch) Second portion of OA MMA (through superior orbital fissure) Distal lacrimal artery (inferior branch) Second portion of OA Anterior deep temporal artery and infraorbital artery (IMA) Anterior ethmoidal arteries Third portion of OA Septal arteries: sphenopalatine artery (IMA), MMA Posterior ethmoidal arteries Second or third portion of OA Sphenopalatine artery, greater palatine artery (IMA), MMA Supraorbital artery Third portion of OA STA Dorsal nasal artery Terminal branch of OA Angular termination of FA, infraorbital artery
Note:—OA indicates ophthalmic artery; ECA, external carotid artery; IMA, internal maxillary artery; STA, superficial temporal artery; FA, facial artery.