How to Sort Circulating Tumor Cells Part I: Size

x-posted at Kirby Lab Student Blog Keywords CTC: Circulating tumor cell. Read about what they are and why they’re important here. Leukocyte: White blood cell. Erythrocyte: Red blood cell. Thrombocyte: Platelets, important in the formation of blood clots. Reynolds number: is the ratio of inertial to viscous fluid forces. In pressure-driven flow, this is the ratio of the pressure force applied (to actuate flow) as compared to the resistance of the fluid to deformation or shearing.