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Pronunciation: ru-lo'

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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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.