the chambers of the heart are the atrium and the ventricle

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• 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 — /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 — 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

• 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

• Atrium — One of the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. (The plural of atrium is atria.) The right atrium receives deoxygenated blood from the body through the vena cava and pumps it into the right …   Medical dictionary

• Ventricle — A ventricle is a chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the brain and the lower two chambers of the heart are called ventricles. * * * A normal cavity, as of the brain or heart. SYN …   Medical dictionary

• Heart sounds — Front of thorax, showing surface relations of bones, lungs (purple), pleura (blue), and heart (red outline). The location of best auscultation for each heart valve are labeled with M , T , A , and P . First heart sound: caused by atrioventricular …   Wikipedia

• atrium — atrial, adj. /ay tree euhm/, n., pl. atria /ay tree euh/, atriums. 1. Archit. a. Also called cavaedium. the main or central room of an ancient Roman house, open to the sky at the center and usually having a pool for the collection of rain water.… …   Universalium

• ventricle — /ven tri keuhl/, n. 1. Zool. any of various hollow organs or parts in an animal body. 2. Anat. a. either of the two lower chambers on each side of the heart that receive blood from the atria and in turn force it into the arteries. See diag. under …   Universalium

• Congenital heart defect — Classification and external resources The normal structure of the heart (left) in comparison to two common locations for a ventricular septal defect (right), the most common form of congenital heart defect.[1] …   Wikipedia

• Diastolic heart failure — Diastolic dysfunction Classification and external resources ICD 9 428.3 Diastolic heart failure or diastolic dysfunction refers to decline in performance of one or both ventricles of the heart during the time phase of diastole. Diastole is that… …   Wikipedia