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orbital tubercle (of zygomatic bone)


Definition: a small elevation on the orbital surface of the zygomatic bone, just within the orbital margin, about 1 cm below the zygomaticofrontal suture; attaches to the lateral check ligament, the lateral palpebral ligament, and the suspensory ligament of the eyeball.

Synonym(s): tuberculum orbitale ossis zygomaticiTA, eminentia orbitalis (ossis zygomatici), orbital eminence of zygomatic bone, Whitnall tubercle

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.