groove for vertebral artery

groove for ver·te·bral ar·ter·y

[TA]
the sulcus on the superior aspect of the posterior arch of the atlas that transmits the vertebral artery medially toward the foramen magnum.
References in periodicals archive ?
The latter one was an expected result, since the superior surface of the atlas posterior arch is most commonly converted into a groove for vertebral artery, as described in classic anatomical literature.
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