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The blood–brain barrier ( BBB) is a highly selective semipermeable border of endothelial cells that regulates the transfer of solutes and chemicals between the circulatory system and the central nervous system, thus protecting the brain from harmful or unwanted substances in the blood. [ 1] The blood–brain barrier is formed by endothelial ...
Purpose. The blood–brain barrier (BBB) is protected by a network of blood vessels and tissue that shields it from harmful substances. This protection also stops anti-cancer drugs from getting to the brain. To treat brain tumours and other brain related diseases, [2] [3] blood–brain barrier disruption is needed for the anti-cancer drugs to ...
Specialty. Cardiology, Emergency Medicine. Left bundle branch block ( LBBB) is a conduction abnormality in the heart that can be seen on an electrocardiogram (ECG). [ 1] In this condition, activation of the left ventricle of the heart is delayed, which causes the left ventricle to contract later than the right ventricle .
Building Back Better. Building Back Better, or more frequently termed Build Back Better ( BBB ), is a strategy aimed at reducing the risk to the people of nations and communities in the wake of future disasters and shocks. It is a conceptual strategy that has continued to evolve since its origination in May 2005.
The Better Business Bureau (BBB) is an American private, 501(c)(6) nonprofit organization founded in 1912. BBB's self-described mission is to focus on advancing marketplace trust, [2] consisting of 92 independently incorporated local BBB organizations in the United States and Canada, coordinated under the International Association of Better Business Bureaus (IABBB) in Arlington, Virginia.
Motion pictures are rated by the Austrian Board of Media Classification (ABMC) for the Federal Ministry of Education, Arts and Culture (Bundesministerium für Unterricht, Kunst und Kultur). The recommendations made by the ABMC are generally not legally binding and there are nine sets of state laws on the cinema sector with different age ...
The educational system [1] generally refers to the structure of all institutions and the opportunities for obtaining education within a country. It includes all pre-school institutions, starting from family education, and/or early childhood education, through kindergarten, primary, secondary, and tertiary schools, then lyceums, colleges, and faculties also known as Higher education (University ...
Opitz G/BBB syndrome, also known as Opitz syndrome, G syndrome or BBB syndrome, is a rare genetic disorder that will affect physical structures along the midline of the body. [1] The letters G and BBB represent the last names of the families that were first diagnosed with the disorder, while Opitz is the last name of the doctor that first ...