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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 ... ...
Other Contents
(Date:4/23/2014)... the Indiana University School of Public Health-Bloomington has bolstered ... by finding a strong association between heme iron, found ... , The study found that heme iron consumption increased ... while no association was found between nonheme iron, which ... heart disease. , The study was published online ahead ...
(Date:4/23/2014)... that male black widow spiders prefer their female mates ... mate preference by male spiders. , The ... Andrade, a professor in UTSC,s Department of Biological Sciences, ... that males overwhelmingly chose to mate with well-fed, unmated ... whether a potential mate is well-fed and unmated by ...
(Date:4/23/2014)... accurate group decision increases with the abundance of brains ... a variety of factors as often happens in ... smaller groups actually tend to make more accurate decisions ... certain pieces of information. , The findings present a ... or the "wisdom of crowds," wherein individual observations ...
Breaking Biology News(10 mins):Study: Iron consumption can increase risk for heart disease 2Picky male black widow spiders prefer well-fed virgins 2Too many chefs: Smaller groups exhibit more accurate decision-making 2Too many chefs: Smaller groups exhibit more accurate decision-making 3
(Date:4/23/2014)... April 24, 2014 Pregnant immigrants from Sub-Saharan ... increased monitoring during pregnancy, according to new research ... today in the British Journal of Obstetrics ... and eclampsia rates among immigrants and native-born women ... (Ontario), Denmark, Sweden, Spain (Catalonia and Valencia) and ...
(Date:4/23/2014)... at the National Institute of Arthritis and Musculoskeletal and ... of the Ross Prize in Molecular Medicine, conferred by ... . The award will be given on June 9 ... followed by scientific presentations by Dr. O,Shea and other ... of Health. , The award, which includes a $50,000 ...
(Date:4/23/2014)... report that rats exposed to high-energy particles, simulating conditions ... show lapses in attention and slower reaction times, even ... ranges. , The cognitive impairments which affected a ... appear to be linked to protein changes in ... to hold true in humans, suggest it may be ...
(Date:4/23/2014)... targets an important brain receptor has a dramatic effect ... behavior, a University at Buffalo animal study has found. ... be a novel lead compound for treating cocaine addiction, ... was published as an online preview article in ... compound, RO5263397, severely blunted a broad range of cocaine ...
(Date:4/23/2014)... predict which patients might suffer potentially fatal side-effects from ... assesses brain scans using pattern recognition software similar to ... been developed by researchers at Imperial College London. Results ... which used the software are published in the journal ... 15 million people each year worldwide. Ischemic strokes are ...
Breaking Medicine News(10 mins):Health News:Pregnancy complications may be more common in immigrants from certain regions 2Health News:NIH scientist to receive Ross Prize in Molecular Medicine 2Health News:Some astronauts at risk for cognitive impairment, animal studies suggest 2Health News:Some astronauts at risk for cognitive impairment, animal studies suggest 3Health News:Novel compound halts cocaine addiction and relapse behaviors 2Health News:Airport security-style technology could help doctors decide on stroke treatment 2Health News:Airport security-style technology could help doctors decide on stroke treatment 3
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