In these microscopic close-ups, samples of red blood cells aggregate from left to right, becoming more compact despite the absence of platelets, long thought essential to clotting. Red blood cells, ...

Blood stem cells develop through different stages to become fully mature red blood cells. This fundamental biologic process is defined by a series of complex metabolic processes, which are often ...

Representative light microscopy images of carbonaceous (black) particles adherent to red blood cells (red arrows) from healthy volunteers. Each image is from a different adult volunteer. Researchers ...