ostium


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Related to ostium: Ostium primum, Ostium secundum

ostium

[′äs·tē·əm]
(biology)
A mouth, entrance, or aperture.
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.
The length and distance of origin from the ostium of parent artery were measured with the help of a measuring scale.
The sphenoid ostium, which is located medial to the superior turbinate insertion, can then be seen (figure, D).
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).
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.
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.
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).
Anomalous location of ostium in relation to the appropriate coronary sinus.
True aneurysms characteristically have an anteroapical location with a wide ostium (more than 50% of the aneurysm diameter).
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.
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.