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单词 Rouleaux
释义

Rouleaux

英语百科

Rouleaux

Rouleaux formation in a peripheral blood smear from a patient with plasma cell myeloma.
Typical mammalian erythrocytes: (a) seen from surface; (b) in profile, forming rouleaux.

Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) which form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau. They occur when the plasma protein concentration is high, and because of them the ESR (erythrocyte sedimentation rate) is also increased. This is a non-specific indicator of the presence of disease.

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更新时间:2025/6/21 2:19:40