atrioventricular septum

См. также в других словарях:

• atrioventricular septum of heart — septum atrioventriculare cordis [TA] the portion of the membranous part of the interventricular septum between the right atrium and left ventricle …   Medical dictionary

• Atrioventricular septal defect — Classification and external resources ICD 10 Q21.2 ICD 9 745.6 …   Wikipedia

• Septum — A word borrowed from the Latin "saeptum" meaning a "dividing wall or enclosure." * * * 1. [TA] A thin wall dividing two cavities or masses of softer tissue. See septal area, transparent s.. 2. In fungi, a wall; usually a cross …   Medical dictionary

• septum — n.; pl. septa a partition or dividing wall within an anatomical structure. For example, the atrioventricular septum divides the atria of the heart from the ventricles. Derivatives: septal adj. septate adj …   The new mediacal dictionary

• atrioventricular bundle — n BUNDLE OF HIS * * * (AV bundle, bundle of His) a bundle of modified heart muscle fibres (Purkinje fibres) passing from the atrioventricular node forward to the septum between the ventricles, where it divides into right and left bundles, one for …   Medical dictionary

• Atrioventricular node — Infobox Anatomy Name = PAGENAME Latin = nodus atrioventricularis GraySubject = GrayPage = Caption = AV node visible near bend of red line. Caption2 = Heart; conduction system Precursor = System = Artery = atrioventricular nodal branch Vein =… …   Wikipedia

• atrioventricular node — noun a node of specialized heart muscle located in the septal wall of the right atrium; receives impulses from the sinoatrial node and transmits them to atrioventricular bundle • Hypernyms: ↑cardiac muscle, ↑heart muscle * * * noun : a small mass …   Useful english dictionary

• atrioventricular bundle — noun a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract • Syn: ↑bundle of His, ↑atrioventricular trunk, ↑truncus atrioventricularis • Hypernyms: ↑cardiac… …   Useful english dictionary

• Atrioventricular node — The atrioventricular (AV) node is an electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the heart). Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node …   Medical dictionary

• atrioventricular bundle — AV bundle; = bundle of His a bundle of modified heart muscle fibres (Purkinje fibres) passing from the atrioventricular (AV) node forward to the septum between the ventricles, where it divides into right and left bundles, one for each ventricle.… …   The new mediacal dictionary

• Septum intermedium — Infobox Embryology Name = PAGENAME Latin = GraySubject = 135 GrayPage = 512 Caption = Interior of dorsal half of heart of human embryo of about thirty five days. Caption2 = Same heart as in Fig. 467, opened on right side. Days = 35 System =… …   Wikipedia