Opening of the pulmonary artery 5479293 109205771 2007-02-19T02:12:34Z Caerwine 347371 restub {{Infobox Anatomy | Name = {{PAGENAME}} | Latin = ostium trunci pulmonalis | GraySubject = 138 | GrayPage = 531 | Image = | Caption = | Image2 = | Caption2 = | System = | Precursor = | MeshName = | MeshNumber = | DorlandsPre = | DorlandsSuf = | }} The '''opening of the [[pulmonary artery]]''' (or '''trunk''') is circular in form, and situated at the summit of the [[conus arteriosus]], close to the [[ventricular septum]]. It is placed above and to the left of the [[atrioventricular opening]], and is guarded by the [[pulmonary semilunar valves]]. ==See also== * [[Pulmonary stenosis]] ==External links== * {{eMedicineDictionary|opening+of+pulmonary+trunk}} {{circulatory-stub}} {{Gray's}}