ROSETTE FORMATIONS
\ɹə͡ʊzˈɛt fɔːmˈe͡ɪʃənz], \ɹəʊzˈɛt fɔːmˈeɪʃənz], \ɹ_əʊ_z_ˈɛ_t f_ɔː_m_ˈeɪ_ʃ_ə_n_z]\
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The in vitro formation of clusters consisting of a cell (usually a lymphocyte) surrounded by antigenic cells or antigen-bearing particles (usually erythrocytes, which may or may not be coated with antibody or antibody and complement). The rosette-forming cell may be an antibody-forming cell, a memory cell, a T-cell, a cell bearing surface cytophilic antibodies, or a monocyte possessing Fc receptors. Rosette formation can be used to identify specific populations of these cells.
By DataStellar Co., Ltd
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.