ring

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Related to vascular ring: vascular ring anomaly

Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.

ring

See pit.
References in periodicals archive ?
amp; Nicholls, 1997) is a normal, though diminutive, vascular ring that
mucilage cavities, more than three vascular rings, and secondary xylem
Vascular rings can cause airway compression in children.
2) Spiral computed tomography and three-dimensional image reconstruction are other noninvasive techniques used in the diagnosis and evaluation of vascular rings.
5,10-12) The radiographic findings can be subtle and rather similar in all cases of vascular ring.
Abnormalities of the great vessels of the mediastinum are estimated to occur in approximately 3% of the general population, and tracheal compression by vascular rings and slings is not uncommon.