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 ?
The surgeon elects to divide the ligamentum arteriosum to relieve the pressure of the vascular ring on the esophagus.
Features of complete vascular rings especially with right arch present Vascular Embryology Oesophagography Other findings anomaly Double aortic Persistence Bilateral Most common arch of 4th impressions on vascular ring branchial sides of anomaly.
Seminar on aortic vascular rings and other anomalies of the aortic arch.
Once the vascular ring was adapted in the organ bath, we proceeded to stimulate the tissue response during the first hour of experimentation adding KCl (25 mM) every 20 minutes, and continuously changing the Krebs-Henseleit solution.
We determined that the vascular ring in this patient was caused by a double aortic arch.
sup][2] The atypical vessel may compress the trachea and the esophagus while forming an incomplete vascular ring around them.
Meanwhile, isolated vascular ring test indicated that TFY had an significant effect on vasomotion, and antagonize vasospasm; moreover TFY also could increase cerebral blood flow (CBF) and reduce cerebrovascular resistance index (RI) in normal rabbits, which verified the effect of TFY on vasomotion and abnormal hemorheology.
The initial symptom of this disease is a soft cheese-like rotting of the vascular ring.
1,2) Extrinsic compression of the airway and esophagus caused by a vascular ring is an uncommon cause of respiratory tract disorders in children, and clinical presentation will depend on the severity of narrowing.
Esophagrams are useful to exclude a vascular ring by showing a normal contour of the posterior esophageal margin on lateral view, without a posterior impression.