ostium


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Related to ostium: Ostium primum, Ostium secundum

ostium

[′äs·tē·əm]
(biology)
A mouth, entrance, or aperture.
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References in periodicals archive ?
Ostium launched a crowdfunding campaign to continue this project, to improve the hardware and software complex, to process state registration and to launch mass production.
Ostium Launch a Crowdfunding Campaign with IndieGoGo
The length and distance of origin from the ostium of parent artery were measured with the help of a measuring scale.
A study on anatomy and variations of sinoatrial nodal artery
The sphenoid ostium, which is located medial to the superior turbinate insertion, can then be seen (figure, D).
25 years of powered endoscopic transnasal sphenoidotomy
In this study, single ostium was the most frequent findings (78%), double ostia were seen in 20 hearts (20%), three ostia were seen in two cases (2%) at anterior aortic sinus (Figure 1).
A cadaveric study on the anatomical variations of origin of the coronary arteries in Gujarat state
For type A coronary malperfusion, the coronary ostium was repaired with a continuous 6-0 over-and-over suture conjoining the dissected arterial layers, leaving the ostium in continuity with the aortic wall or directly anastomosing the ostial button to the tube graft.
Surgical Treatment of Coronary Malperfusion with Acute Type A Aortic Dissection
Nasal mucosa and medial wall of the sac was removed up to the extent that the cut margins of the sac were approximated with the margins of the nasal mucosa around the margins of bony ostium.
Outcome and complications of endoscopic dacryocystorhinostomy without stenting
The current study reviewed data of 84 patients who had undergone surgical repair of ASD, including the three major forms: ostium primum, ostium secundum and sinus venosus (with or without partial anomalous pulmonary venous connection or PAPVD).
Clinical outcomes of surgically corrected atrial septal defects
During the balloon angioplasty, the LMCA ostium was transiently narrowed without hemodynamic compromise.
A challenging case of transcatheter aortic valve implantation under left main coronary artery protection/ Sol ana koroner arter korumasi altinda yapilan zorlu bir transkateter aort kapak implantasyon vakasi
Anomalous location of ostium in relation to the appropriate coronary sinus.
Coronary artery anomalies on CT angiography
True aneurysms characteristically have an anteroapical location with a wide ostium (more than 50% of the aneurysm diameter).
Include the heart in stroke evaluations
The authors, who are medical specialists from Europe and the US, discuss defects of the lymphatic system, neural tube defects, Ostium Secundum Atrial Septal Defect, and duplication of the alimentary tract.
New developments in birth defects research
Metodologia: Se revisaron retrospectivamente 1180 estudios coronarios con TC multidetector realizados durante el periodo de noviembre 1 de 2002 a abril 30 de 2006, evaluandose el origen, forma del ostium y recorrido de las arterias coronarias.
Valoracion mediante TC multidetector de las variantes anatomicas en las arterias coronaries

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