atrium: a thin-walled receiving chamber in which blood accumulates in fishes. auditory: nerve the nerve within the ear that carries impulses to the brain for interpretation. Full article >>>
atrium pl. atria (a-tree-um) [L. yard, court, hall] A chamber that receives blood returning to the vertebrate heart. Full article >>>
atrium One of the chambers of the heart; also, the tympanic cavity of the ear; also, the large cavity containing the pharynx in tunicates and cephalochordates. Full article >>>
(AV valve) Flap of tissue between each atrium and ventricle that moves in response to the pressure changes of ventricular contraction. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>>
(Date:9/4/2008)...y of the September 11 attacks approaches, the Amer...st describing an array of technologies to help ass...dcast is the sixth episode in ACS,s acclaimed Glo...th new episodes posted twice monthly, Global Chall... the 21st Century, and explains how chemists and o...
(Date:9/4/2008)...hers at the HudsonAlpha Institute and Stanford Uni... other organizations, today publishes a comprehens...cer glioblastoma. These results are the first from...a collaborative effort funded by the National Canc...h Institute of the National Institutes of Health. ...
(Date:9/4/2008)...y have joined forces to develop a world-first,com... premature birth with greater accuracy., The Univ...nd Symbion Pathology are combining,expertise in m...lop a computer program to predict,women at risk o...s occur in Australia each year. Premature birth is...
(Date:9/4/2008)...eap in medicine. In the future, new tissue grown i...ew cells take the place of damaged cells in the br...ources, which opens difficult ethical and complica...g to adult human stem cells, culled from a person,...ted from various tissues in the body ― from ...
...onse to cold, plants trigger a cascade of genetic ...f California, Riverside Professor of Plant Cell Bi...wn biochemical reaction regulates that genetic cas...5 online version of the Proceedings of the Nationa...ve Regulator of Plant Cold Responses, HOS1 is a RI...
...en years after the Exxon Valdez ran aground in Ala...e suggests that remnants of the worst oil spill in...n previously thought, increasing the probability t...m to wildlife. The finding appears today on the We... Environmental Science & Technology . , The s...
...in that activates estrogen receptors in breast can...ffects of anti-estrogen tamoxifen treatment, accor...ional Cancer Institute. , Pak 1 is a member of a...s, such as gene expression, cell movement, and cel... presence of this protein may lead to more invasiv...
...hich used to be referred to as Type 1 diabetes, re...ing pancreatic islet beta cells by the body,s immu...the pancreas and are made up of two types of cells... raises the level of glucose (sugar) in the blood,... appears in the May 12 issue of The Journal of Bio...