The red cell distribution width (RDW) blood test measures differences in the volume and size of your red blood cells. Red blood cells help carry oxygen from the lungs to other parts of your body.

NAINR. 2004;4(4):231-239. Mature erythrocytes are biconcave disks. RBCs with abnormal morphology may be removed from the circulation leading to anemia. Therefore, certain types of anemia may be ...

A high red blood cell count can occur for many reasons, including excessive cell production, changes in blood volume, or underlying medical conditions. Sometimes, the cause is unknown. Erythrocytes, ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

A complete blood count (CBC) might suggest hemolytic anemia if your RBC, hemoglobin, and reticulocyte counts are low. But further testing may be required. Anemia occurs when you don’t have enough ...

In a recent study published in the journal PNAS, researchers examined the relationship between cell size and count across the human body, establishing a quantitative framework and uncovering ...