Wangensteen tube Wan·gen·steen tube (wāng'gən-stēn')
n.
A modified siphon that maintains constant negative pressure; used in the treatment of gastric and intestinal distention.
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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