What is a normal nucleated red blood cell count? Nucleated red blood cells are premature RBCs in your bone marrow. If you're a healthy adult, you usually won't have any of these in your blood.

A red blood cell count is used to measure the number of oxygen-carrying red blood cells in your body. When you have a high blood count or a low blood count, it's a sign that you may be sick.

A normal red blood cell count ranges between 4.5 and 5.3 million cells/μL for males ages 12 to 18 years, while the range is 4.1 to 5.1 million cells/μL for females of the same age group.

Blood stem cells develop through different stages to become fully mature red blood cells. This fundamental biologic process ...

‌Red blood cells carry oxygen from the lungs to other cells throughout the body and return carbon dioxide to the lungs. Normal red blood cells are in the shape of a disk, thicker on the edge and ...

A high red blood cell count can occur for many reasons, including excessive production of cells, changes in blood volume, or underlying medical conditions. Learn more here.

The Red Cross has issued an urgent plea for Black Americans to donate blood because 1 in 3 are a donor match for people with sickle cell disease, according to the organization.

The study found that the optimal hematocrit (a measure of red blood cells) for men over 65 was between 39 percent and 53.9 percent, and for every point above or below that normal range, a person's ...

Normal red blood cells are soft, round and can squeeze through tiny blood vessels. People with sickle cell disease have red blood cells that are abnormal. They are stiff, ...