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valves in Biological Dictionary

Semilunar valves

... In anatomy, the heart valves maintain the unidirectional flow of blood in the ... each side. They are mechanically similar to reed valves . The pulmonary valve is the semilunar valve ... cusps, i.e., the aortic ... Semilunar valves synonyms, Semilunar ...

Bicuspid

... between the left atrium and left ventricle. valves ensure ... " Bicuspid " ... about Heart Transplantation ... Bicuspid aortic valves and ascending aortic aneurysms often occur in the ... valves. ... Unfortunately, bicuspid aortic valves are also more prone to disease than the ... My ...

Veins

... on the backs of the calves or on the inside of ... Veins have leaflet valves to prevent blood from flowing backwards (retrograde) ... When veins become varicose, the leaflets of the valves no longer meet properly, ... More about Varicose Veins : Causes and ...

Tricuspid valve

... to the valve itself, but ... The tricuspid valve is one of four valves that control the flow and direction of ... Tricuspid valve disorders, ... prognosis. Tricuspid valve repair was performed in 9 patients whose valves had infective ... 2,4,5 Valve excision results in massive tricuspid ...

Ventricle

... . ... Double inlet ventricle is a congenital cardiac malformation in which both atria ... The ventricle to which both atrioventricular valves or common atrioventricular ... Normally, the heart has a right and left ventricle that serve as the heart's pumping chambers. ... Single ...

Lymphatic vessels

... vessels . ... Lymphatic vessels , located throughout the body, are larger than capillaries, and ... Most of the lymphatic vessels have valves like those in veins to keep the lymph, ... Information on lymphatic malformations, a condition treated by the ... In certain areas the dilated ...

Left ventricle

... (DILV) is a congenital heart defect that affects the ... Double inlet left ventricle (DILV) is a congenital heart defect that affects the valves of the heart. Congenital means it is present from birth. The aortic valve lets blood flow from the heart's left ventricle into the aorta. ... ...

Ion channel

... the flow of ions through channel pores. ... How ions flowing into and out of cells control cell activity. ... closing of a complex series of valves on the cell membrane, called ion channels . ... ION CHANNEL GLOSSARY ... They contain the "bare minimum" of ion channels necessary ...

Alimentary canal

... as the pyloric canal . ... Accessory organs to the alimentary canal include the liver, gallbladder, and pancreas. ... Anal canal : anal valves • anal sinuses • anal columns • Hilton's white line ... ...
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