Retic count
Short for reticulocyte count.
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- Reticulocyte
A young red blood cell that usually remains in the bone marrow with only a few venturing out into the circulating blood. The number of reticulocytes in blood rises when red cell production is unusually vigorous, as after a major bleeding episode or after the bone marrow has been suppressed and is regenerating, or when […]
- Reticulocyte count
The number of reticulocytes (young red blood cells) circulating in blood, usually less than 1 percent of the total number of red blood cells. Elevation of the reticulocyte count above 1 percent (reticulocytosis) is a sign of rapid red blood cell production.
- Reticulocytosis
An elevation in the number of reticulocytes (young red blood cells) in blood, a sign of unusually rapid red blood cell production. The number of reticulocytes is normally less than 1% of the total number of the red blood cells. A higher proportion (above 1%) constitutes reticulocytosis.
- Retina
The retina is the nerve layer that lines the back of the eye, senses light, and creates impulses that travel through the optic nerve to the brain. There is a small area, called the macula, in the retina that contains special light-sensitive cells. The macula allows us to see fine details clearly. The eye has […]
- Retinal artery, central
The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the central retinal artery is the central retinal vein, the vessel that carries blood away from the retina.