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heart — /hahrt/, n. 1. Anat. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that… … Universalium
Heart — This article is about the organ in various animals. For the human heart, see Human heart. For other uses, see Heart (disambiguation). Cardiac redirects here. For the cardboard computer, see CARDboard Illustrative Aid to Computation … Wikipedia
heart failure — a condition in which the pumping action of the heart is inadequate due to damaged heart valves, ventricular muscle, or both. This results in back pressure of blood, with congestion of organs. In left ventricular (or left heart) failure,… … The new mediacal dictionary
Heart disease — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = |oo eMedicineTopic = MeshID = D006331 Heart disease is an umbrella term for a variety for different diseases affecting the heart. As … Wikipedia
Heart failure — Classification and external resources The major signs and symptoms of heart failure. ICD 10 I5 … Wikipedia
Heart chamber — is a general term used to refer to any chambers of the mammalian heart. The heart consists of four chambers: the right and left atrium and the right and left ventricle. The top chambers are connected to the bottom chambers by valves and are… … Wikipedia
heart — A hollow muscular organ that receives the blood from the veins and propels it into the arteries. In mammals it is divided by a musculomembranous septum into two halves right or venous and left or arterial each of which consists of a receiving… … Medical dictionary
Ventricular septal defect — Infobox Disease Name = PAGENAME Caption = Echocardiographic image of a moderate ventricular septal defect in the mid muscular part of the septum. The trace in the lower left shows the flow during one complete cardiac cycle and the red mark the… … Wikipedia
Heart valve — In anatomy, the heart valves are valves in the heart that maintain the unidirectional flow of blood by opening and closing depending on the difference in pressure on each side. The mechanical equivalent of the heart valves would be the reed… … Wikipedia
Left ventricle — Infobox Anatomy Name = Left ventricle Latin = ventriculus sinister cordis GraySubject = 138 GrayPage = 534 Caption = The heart, with cutaways, as viewed from the left side. Caption2 = Left ventricle at lower left, cutaway shows some internal… … Wikipedia
