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Hematology Stacks of RBCs in groups of 4–10 cells, likened to stacked coins; artifactual rouleaux occur in the thick area of any blood smear; true rouleaux formation occurs with ↑ protein, fibrinogen and globulins, ↑ ESR due to dextran and monoclonal gammopathies–myeloma, Waldenström's disease, cryoglobulinemia, sarcoidosis, cirrhosis. See LISS.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


(roo-lō′) plural.rouleaux [Fr., roll]
A group of red blood cells that are stuck together, resembling a roll of coins.
Medical Dictionary, © 2009 Farlex and Partners


The stacking up of red blood cells, caused by extra or abnormal proteins in the blood that decrease the normal distance red cells maintain between each other.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Gladiator, Beauty and the Beast and Kenneth Branagh's Hamlet have all featured Rouleaux items.
Frosted glass with beading (4cm deep), pounds 12.95 per metre, V V Rouleaux
VV Rouleaux opens on September 20 at 8-9 Central Arcade.
Min Hogg, editor of World of Interiors, said: 'You just couldn't get beautiful ribbons before VV Rouleaux, such a place didn't exist.'
RIGHT Jacket, pounds 75, Dorothy Perkins; tutu, dancer's own; tights, pounds 5, Aristoc; ribbon (around neck), pounds 2.75 a metre, VV Rouleaux; hat, from a selection, James Lock & Co.
SHELL OUT: Belts from pounds 30 at VV Rouleaux (0141 221 2277); Green leaf print top, pounds 5.99 at H&M
Adina wears T-shirt, pounds 35, Cerrutti Jeans at Fenwick; skirt, pounds 20, Topshop; boots, pounds 32.99, Converse at Offspring; fabric (worn as bracelet), pounds 12.95 a metre, VV Rouleaux. See last page for where to buy.
Bikini, pounds 16, Warehouse; necklace, from a selection, VV Rouleaux; necklace (worn as belt), pounds 12.99, earring and bracelet, from a selection, all Debenhams.
The rope Sheer top, pounds 99, and skirt, pounds 156, both Jorando; beaded belt, from a selection, VV Rouleaux; earrings, pounds 35, Cornucopia