A Study of Variations in Coronary Ostia

Regarding study of number of ostia found in the aortic sinuses-22% hearts showed presence of 2 ostia, 2% hearts showed 3 separate ostia and 2% hearts showed 5 ostia in the anterior aortic sinus region. No supernumerary ostia were found in the left posterior aortic sinus region. 2% incidence of circumflex artery taking origin from the anterior aortic sinus was observed.