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Chocolate agar showing Francisella tularensis colonies Comparison of two culture media types used to grow Neisseria gonorrhoeae bacteria. Known as overgrowth, the nonselective chocolate agar medium on the left, due to its composition, allowed for the growth of organismal colonies other than those of N. gonorrhoeae, while the selective Thayer–Martin medium on the right, containing ...
Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) that form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau.
Hemolysis is the breakdown of red blood cells. The ability of bacterial colonies to induce hemolysis when grown on blood agar is used to classify certain microorganisms. This is particularly useful in classifying streptococcal species. A substance that causes hemolysis is called a hemolysin.
Chinguacousy Township / tʃ ɪ ŋ ˈ k uː z i / ⓘ is a former municipality and present-day geographic township in the Regional Municipality of Peel, Ontario, Canada.
Erythrocyte fragility refers to the propensity of erythrocytes (red blood cells, RBC) to hemolyse (rupture) under stress. It can be thought of as the degree or proportion of hemolysis that occurs when a sample of red blood cells are subjected to stress (typically physical stress, and most commonly osmotic and/or mechanical stress). Depending on ...
The Charolais-Brionnais region is home to the renowned Charolais cattle [2] and is an applicant for UNESCO status as a World Heritage Site to preserve, consolidate and transmit this resource. [ 3 ] The Loire River , flanked by its adjoining canals, flows on the western edge of Charolais-Brionnais. [ 4 ]
A negative test can relate to: Negative diagnostic test, a medical test in which the target parameter that was evaluated was not present; Negative test variation, a software stress test designed to determine the response of the system outside of normal parameters; Negative testing
Hemagglutination, or haemagglutination, is a specific form of agglutination that involves red blood cells (RBCs). It has two common uses in the laboratory: blood typing and the quantification of virus dilutions in a haemagglutination assay.