Ostium Johnson Francis | July 6, 2008 | General | No Comments Ostium Ostium: Opening, usually of a blood vessel. Related Posts Machine learning predicts heart attack and death from heart disease No Comments | Dec 21, 2019 Intercostal No Comments | Jul 6, 2008 Necrosis No Comments | Jul 6, 2008 Regurgitation No Comments | Jul 6, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal