orifice of coronary sinus
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Coronary sinus — Vein: Coronary sinus Base and diaphragmatic surface of heart … Wikipedia
Valve of coronary sinus — Valve of the coronary sinus Interior of right side of heart. (Valve of the coronary sinus labeled at bottom left.) Latin valvula sinus coronarii Gray s … Wikipedia
Valve of the coronary sinus — Infobox Anatomy | Name = Valve of the coronary sinus Latin = valvula sinus coronarii GraySubject = 138 GrayPage = 531 Caption = Interior of right side of heart. (Valve of the coronary sinus labeled at bottom left.) Caption2 = System = MeshName =… … Wikipedia
sinus coronarius — [TA] coronary sinus the terminal portion of the great cardiac vein, which lies in the coronary sulcus between the left atrium and ventricle, and empties into the right atrium between the orifice of the inferior vena cava and the atrioventricular… … Medical dictionary
ostium sinus coronarii — [TA] opening of coronary sinus: an opening in the wall of the right atrium, situated between the opening of the inferior vena cava and the atrioventricular opening, the lower part of which is covered by the valve of the coronary sinus. Called… … Medical dictionary
sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or … Medical dictionary
Right atrioventricular orifice — Section of the heart showing the ventricular septum. (Right atrioventricular orifice visible at left, but not labeled.) Latin ostium atrioventriculare dextrum Gray s … Wikipedia
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
human cardiovascular system — ▪ anatomy Introduction organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… … Universalium
opening — A gap in or entrance to an organ, tube, or cavity. SEE ALSO: aperture, fossa, ostium, orifice, pore. access o. SYN: access. aortic o. SYN: aortic hiatus … Medical dictionary
