American Heritage® Dictionary of the English Language, Fourth Edition
- n. A substance, such as an antibody, that is capable of causing agglutination of a particular antigen, especially red blood cells or bacteria.
Century Dictionary and Cyclopedia
- n. An adaptation-product produced by immunization with the corresponding cells (red blood-corpuscles or bacteria), which causes the clumping or coalescence of the cells used in immunization. The agglutinins are receptors of the second order (Ehrlich), being composed of a special zymophoric group and a haptophoric group, which latter effects the union with the cell. The bacillary agglutinins in their action upon motile bacteria cause arrest of motility. See also
- n. an antibody that causes agglutination of a specific antigen
- agglutin(ation) + -in. (American Heritage® Dictionary of the English Language, Fourth Edition)
“There is at least test-tube evidence that lectins in grains, such as wheat germ agglutinin, bind to hormone receptors including those for insulin and leptin and create mischief.”
“Hager turning:archenemy,larder.agglutinin McDonald …”
“University of Melbourne to do research work on the agglutinin reactions in typhoid fever.”
“If agglutinin is present and the test is giving a positive reaction, the bacilli _will_ be collected in large clumps.”
“-- The saline diluting fluid _must always_ be taken into the pipette first, otherwise if the serum contains a very large amount of agglutinin the traces of this serum added to the saline solution may be sufficient to entirely vitiate the subsequent observations -- whilst if more than one sample of serum is diluted from the same saline solution serious errors may be introduced into the experiments.”
“The three most important of the antibodies referred to which can be demonstrated with a certain amount of facility are agglutinin, opsonin and bacteriolysin; and the methods of testing for these bodies will now be considered.”
“In estimating the agglutinin content or _titre_ of a serum, testing disinfectants and for many other purposes, it becomes necessary to prepare a series of dilutions of the material under examination, and in order to avoid unnecessary expenditure of labour it is convenient to adhere to some definite scale of increment, such for example as the following:”
“In a recent study, it was determined that cellular components of the body's natural immune system (such as monocytes and granulocytes) bound Viscum album agglutinin-I molecules to a higher degree than lymphocytes, suggesting that this herb can support natural immune responses.”
“Lens culinaris agglutinin-reactive species were also observed.”
“Ricinus communis agglutinin I, was stronger than to fragments containing the cell-binding site of FN.”
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