opening of superior vena cava
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vena cava — /vee neuh kay veuh/, pl. venae cavae /vee nee kay vee/. Anat. either of two large veins discharging blood into the right atrium of the heart, one (superior vena cava or precava) conveying blood from the head, chest, and upper extremities and the… … Universalium
Inferior vena cava — Infobox Vein | Name = PAGENAME Latin = vena cava inferior GraySubject = 173 GrayPage = 677 Image Heart diagram 250px Caption = Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. Caption2 = DrainsFrom = Source =… … Wikipedia
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
Caval opening — Infobox Anatomy Name = PAGENAME Latin = foramen venae cavae GraySubject = 117 GrayPage = 406 Caption = The diaphragm. Under surface. (Vena caval foramen labeled near top center, in white region.) Caption2 = Superior vena cava, inferior vena cava … Wikipedia
Сердце — (cor) является главным элементом сердечно сосудистой системы, обеспечивающим кровоток в сосудах, и представляет собой полый мышечный орган конусообразной формы, располагающийся за грудиной на сухожильном центре диафрагмы, между правой и левой… … Атлас анатомии человека
orifice — Any aperture or opening. SEE ALSO: aperture, opening, os, ostium, meatus. SYN: orificium [TA]. [L. orificium] anal o. SYN: anus. aortic o. [TA] the opening from the left … Medical dictionary
ostium — A small opening, especially one of entrance into a hollow organ or canal. SEE ALSO: orifice, opening, os, mouth (2). [L. door, entrance, mouth] o. abdominale tubae uterinae [TA] SYN: abdominal o. of uterine tube … 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
Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… … Medical dictionary
cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a … Universalium
