sinuatrial node

(redirected from Flack node)

sin·u·a·tri·al node

[TA]
the mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system; it lies under the epicardium at the upper end of the sulcus terminalis.

sin·u·a·tri·al node

, sinoatrial node (sin'yū-ā'trē-ăl nōd, sī'nō-) [TA]
The mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system; it lies under the epicardium at the upper end of the sulcus terminalis.

Keith,

Sir Arthur, Scottish anatomist, 1866-1955.
Keith bundle - modified cardiac muscle fibers. Synonym(s): atrioventricular bundle
Keith and Flack node - the mass of specialized cardiac muscle fibers that normally acts as the pacemaker of the cardiac conduction system. Synonym(s): Flack node; Keith node; sinuatrial node
Keith node - Synonym(s): Keith and Flack node

Koch,

Walter, German surgeon, 1880–.
Koch node - the mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system. Synonym(s): sinuatrial node
Koch triangle - a triangular area of the wall of the right atrium of the heart that marks the situation of the atrioventricular node.

sin·u·a·tri·al node

, sinoatrial node (sin'yū-ā'trē-ăl nōd, sī'nō-) [TA]
The mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system; it lies under the epicardium at the upper end of the sulcus terminalis.