Search Results for: atria
Semilunar valve
The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More
Stannius ligature
Definition noun A ligature done in between the sinus venosus and the atrium or around the atrioventricular junction of an... Read More
Atrial syncytium
Definition noun A network of cardiac muscle cells connected by gap junctions that allows coordinate contraction of the... Read More
Depolarization
Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... Read More
Heart valve
Definition noun, plural: heart valves (anatomy) Any of the valves of the heart that prevents the back flow of blood through... Read More
Ventricular filling pressure
Definition noun The pressure that builds up in the ventricle as the ventricle is being filled with blood, typically... Read More
Three-chambered heart
Three-chambered heart congenital abnormality in which there may be a single atrium with two ventricles or a single ventricle... Read More
Cardiovascular system
Definition noun The organ system in which the blood is pumped through the heart and circulates throughout the body through... Read More
Atrioventricular sulcus
Definition noun (anatomy) A sulcus or a groove on the outer surface of the heart marking the division between the atria and... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Morphology
Morphology Definition Morphology means the study of the shape and structure of living things from a biological perspective.... Read More
Heart sounds
Heart sounds The sounds heard over the cardiac region produced by the functioning of the heart. There are four distinct... Read More
Agonal rhythm
Agonal Rhythm Definition Agonal rhythm is the slow, irregular heart rhythm (electrical activity of the heart), particularly... Read More
Atrioventricular valve
Definition noun, plural: atrioventricular valves The heart valve between the upper atrium and the lower ventricle, and... Read More