rouleau
Pronunciation: rū-lō′
Definition: An aggregate of erythrocytes stacked like a pile of coins. Rouleau formation commonly indicates an increase in plasma immunoglobulin.
[Fr. spool, cylinder, fr. rouler, to roll, fr. L.L. rotulo, fr. rota, wheel]
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Examples: glitazone, GI cocktail, etc.

