Abstract
Both normal and pathological orbital vascularization appears to be partially dependent on three deep maxillary artery branches. The authors use selective angiograms and microradiographs of injected specimens to describe the orbital branches of the middle meningeal, anterior deep temporal and infraorbital arteries. Variable embryological developments determine the orbital contributions of the middle meningeal artery via the recurrent meningeal and meningolacrimal branches. The anterior deep temporal artery supplies constant branches to the inferior and lateral lacrimal territories. The infraorbital artery sends branches to the inferomedial portion of the orbit and the inferior lacrimal territory. Selective external carotid angiography may opacify the whole ophthalmic arterial system and faintly opacifies the ophthalmic veins.
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