ring

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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 ?
Throughout the trachea, there was partial to complete loss of tracheal rings with expansion and replacement with fibrous tissue, most of which was ossified.
Cricoid and tracheal ring fractures resulting in symptomatic tracheal stenosis are complicated to treat, usually requiring resection and end-to-end anastomosis or anterior augmentation grafting using auricular or costal cartilage.
Histopathologic analysis of the excised tracheal rings revealed moderate inflammation, chronicactive fibroplasia, and mucosal denudation.
As a result, near-complete and complete tracheal rings are often the etiologies of tracheal stenosis.
Birds have complete tracheal rings, which are relatively more resistant to compressive collapse than the C-shaped tracheal cartilages of mammals.
Given the anatomy of the avian trachea, with its complete tracheal rings, bougienage may have a high risk of complications in avian species.
The trachea and thyroid cartilage were exposed, and the tracheal lumen was entered by anterior splitting of the first three tracheal rings.
The avian trachea is composed of closely spaced, complete, cartilaginous tracheal rings with no musculi trachealis.
Computed tomography (CT) disclosed the presence of a 2-cm soft-tissue mass at the level of the first tracheal ring (figure 1).
Raising of the flap revealed an obvious air leak; the second and third tracheal rings were found to be necrotic and damaged, as well (figure 2).
A detailed examination revealed that a transglottic tumor had infiltrated the thyroid and cricoid cartilage, the upper two tracheal rings, and the thyroid gland.