dictionary help| aditus orbitae --> orbital opening | medical dictionary |
The somewhat quadrangular anterior entrance to the orbit which forms the base of the pyramid-shaped orbital cavity. It is bounded by the sharp supra-, infra-, and lateral orbital margins and a less obvious medial margin on each side of the upper nose.
Synonyms: aditus orbitae, aperture of orbit.
(05 Mar 2000)
orbital margin of eyelids, orbital muscle, orbital neoplasms, orbital nerve < Prev | Next > orbital ophthalmoplegia, orbital part of frontal bone
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