Atrial septum
The wall between the two upper chambers (the right and left atrium) of the heart.

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atrial septum n INTERATRIAL SEPTUM

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s. interatriale cordis.

Medical dictionary. 2011.

Look at other dictionaries:

  • Atrial septal defect — PFO redirects here. For the airport, see Paphos International Airport. Atrial septal defect Classification and external resources Heart of human embryo of about thirty five days ICD 10 …   Wikipedia

  • atrial septal defects — atrioseptal defects congenital cardiac anomalies in which there is persistent patency of the atrial septum due to failure of fusion between either the septum secundum or the septum primum and the endocardial cushions. In ostium secundum d. there… …   Medical dictionary

  • Atrial fibrillation — | MeshID = D001281 Atrial fibrillation (AF or afib) is a cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart. It can often be identified by taking a pulse and observing that the heartbeats don t… …   Wikipedia

  • Septum primum — Infobox Embryology Name = Septum primum Latin = GraySubject = 135 GrayPage = 512 Caption = Interior of dorsal half of heart from a human embryo of about thirty days. (Septum primum labeled at center top.) Caption2 = System = CarnegieStage = 13… …   Wikipedia

  • Atrial myxoma — An atrial myxoma is a non cancerous tumor in the upper left or right side of the heart. It grows on the wall (atrial septum) that separates the two sides of the heart.CausesA myxoma is a primary heart (cardiac) tumor. This means that the tumor… …   Wikipedia

  • Septum secundum — Infobox Embryology Name = Septum secundum Latin = GraySubject = 135 GrayPage = 512 Caption = Interior of dorsal half of heart of human embryo of about thirty five days. (Septum secundum visible at center top.) Caption2 = Same heart as above,… …   Wikipedia

  • atrial septal defect — ▪ pathology       congenital opening in the partition between the two upper chambers (atria) of the heart. The most common atrial septal defect is persistence of the foramen ovale, an opening in this partition that is normal before birth and that …   Universalium

  • Septum, cardiac — The cardiac septum is the dividing wall between the right and left sides of the heart. That portion of the septum that separates the two upper chambers (the right and left atria) of the heart is termed the atrial (or interatrial) septum while the …   Medical dictionary

  • Septum, heart — The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of the septum that separates the two upper chambers (the right and left atria) of the heart is termed the atrial (or interatrial) septum… …   Medical dictionary

  • atrial myxoma — a benign gelatinous growth usually pedunculated and usually arising from the interatrial septum of the heart in the region of the fossa ovalis; symptoms may include effort dyspnea, loss of weight, fatigue, low grade fever, polyneuritis, nausea,… …   Medical dictionary

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