orbital tubercle (of zygomatic bone)

(redirected from Whitnall tubercle)

or·bi·tal tu·ber·cle (of zygomatic bone)

[TA]
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.
References in periodicals archive ?
During this procedure, Inferior oblique muscle was cut from its origin and bony attachments of check ligaments (lateral check ligament from whitnall tubercle and medial check ligament from lacrimal crest) were detached.