Healthy fresh red blood cells have a distinctive biconcave—or dumbbell—shape for efficient oxygen release. During refrigerated storage, red cells become energetically stressed and more ...

Healthy red blood cells are puffy with a dimpled middle. “It’s just a really cool shape,” says Velia Fowler, a cell biologist at The Scripps Research Institute in San Diego. For decades, researchers ...

DARPA wants to know if modifying red blood cells can help warfighters "operate more effectively in dangerous or extreme ...

The characteristic shape and flexible lipid membrane facilitate ... of hemoglobin in grams per 100 ml of packed red blood cells, normal adult value is between 32 and 36% This parameter is ...

Red blood cells for example, have no nucleus, so they can hold more oxygen. They're also biconcave or disc-shaped to absorb oxygen more quickly and rounded to flow easily through tiny capillaries.