N any of the pores in sponges through which water enters the body 海绵的孔 [biology]
There is high percentage of cases with accurate position of stent in ostium confirmed by IVUS.
经过IVUS检查证实大部分支架在冠状动脉口部病变处能准确置入。
If the ostium of sinus were traumatized, it might become an etiologic factor of chronic sinusitis.
若伤口波及鼻窦开口,将导致慢性鼻窦炎的形成。
Programmed stimulation was delivered at coronary sinus ostium, distal coronary sinus and lateral wall of left atrium.
分别通过冠状窦口电极、冠状窦远端电极和左房侧壁电极进行程控刺激。
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