Blood clot (colored scanning electron micrograph). Red blood cells have been trapped by a web of thin yellow-white strands of fibrin. Fibrin is an insoluble protein produced by platelets, or ...

Polychromasia refers to the different colors your red blood cells (RBCs) appear under a microscope. It's not a diagnosis but anemia, infection, blood loss, or cancer can cause polychromasia. These ...

The blood cells themselves aren’t red, just the hemoglobin protein. Hemoglobin makes up around 1% of blood (11 to 17 grams per deciliter, blood spec gravity about 1.06) while the red cells make ...

Red blood cells (erythrocytes) are the pack animals of the human circulatory system. They transport oxygen to the places in the body where it's needed: to the cells that make up our muscles and ...

Why blood cells move in slippers. Timm Krüger of the University of Edinburgh told Physics World that an important strength of the research is that it “used two different and quite different modelling ...

Feb. 27, 2025 — Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing ...

A red blood cell count test gives the correct number of red blood cells in your body. Learn about how the test is done, why it is done, risks, and more.

Nanotechnology researchers at UC Davis have shown that they can use a red blood cell to calibrate a sensitive instrument, an atomic force microscope. "It turns around the rules of nanotechnology, by ...