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Orbital Arteries
oa - ophthalmic a.
so - supraorbital a.
st - supratrochlear a.
dn - dorsal nasal a.
a - angular a.
la - lacrimal a.
cr - central retinal a.
mpa - medial palpebral a.
lpa - lateral palpebral a.
zt - zygomaticotemporal a.
zf - zygomaticofacial a.
Arterial supply to the eye and orbit arises from the internal carotid artery via the ophthalmic artery.
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