hæmagglutinate, hem-, v.
(ˌhiːməˈgl(j)uːtɪneɪt)
[f. Gr. αἷµ-α blood + agglutinate v.]
trans. To cause (red blood cells) to agglutinate. So ˌhæmaˈgglutinating ppl. a.
| 1921 Jrnl. Immunol. VI. 423 In..experiments with normal and ‘immune’ hemagglutinating sera we have used the slide method. 1922 Jrnl. Amer. Med. Assoc. 11 Nov. 1684/1 (title) The hemagglutinating fraction of human serums. Ibid. 1685/1 The hemagglutinating property is contained in the pseudoglobin fraction. 1936 Nature 26 Sept. 554/1 The haemagglutinating substance is present in the cotyledons of the seed of the runner bean. 1956 Ibid. 4 Feb. 234/2 Under the conditions of assay, five hæmagglutinating units were regularly inhibited by a minimum of 10–20µ gm. of preparation IL-1. 1961 Lancet 23 Sept. 718/1 Only 6 strains were found to hæmagglutinate the red cells of more than 5 species. |
Also ˌhæmagglutiˈnation, the action or process of hæmagglutinating.
| 1907 Jrnl. Med. Res. XVII. 323 Repeated controls have convinced me that the presence and degree of hemagglutination may be detected quite as accurately macroscopically as microscopically. 1919 Jrnl. Immunol. IV. 284 The use of hypertonic solutions of sodium chlorid are of no practical value in preventing hemagglutination in complement fixation tests. 1946 Nature 27 July 119/1 Vaccinia hæmagglutination is inhibited by appropriate immune sera either of animal or human origin. 1949 Poultry Sci. XXVIII. 622 (title) A plate hemagglutination-inhibition test for Newcastle disease antibodies in avian and human serums. Ibid. 622/1 Virus isolation and neutralization tests are carried out in embryonating chicken eggs; the hemagglutination-inhibition test is done in test tubes. 1969 New Scientist 30 Jan. 171/1 The basis of a simple laboratory test—the haemagglutination test—which is widely used in the study of influenza. |