superior ophthalmic vein(redirected from Posterior ethmoidal vein)
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su·pe·ri·or oph·thal·mic vein[TA]
begins anteriorly from the nasofrontal vein, passes along the upper part of the medial wall of the orbit, passes through the superior orbital fissure, to empty into the cavernous sinus.
Synonym(s): vena ophthalmica superior [TA]