What Is Iron Deficiency Anemia? Iron deficiency anemia is a blood cell disorder that is characterized by formation of small, pale red blood cells, causing tissue hypoxia. Hypoxia is the inability to meet the demands of the body for oxygen. ...
Read More »Vitamin B12 Deficiency Anemia
What Is Vitamin B12 Deficiency Anemia? Vitamin B12 deficiency anemia is a megaloblastic anemia that is characterized by defective DNA synthesis of red blood cells due to a lack of vitamin B12. Vitamin B12 is essential for normal blood cell formation. ...
Read More »Macrocytosis
What Is Macrocytosis? Macrocytosis is a blood cell disorder characterized by altered blood cell formation that results in abnormally large erythrocytes (red blood cells) circulating in the bloodstream. The mean corpuscular volume (MCV), which is a measure of the size of ...
Read More »Night Blindness – Nyctalopia: definition
Decreased ability to see in dim light is a visual defect caused by lack of rhodopsin in the rods of the retina at the back of the eyeball. Another cause is hypoxia, or decreased content of oxygen in the blood. ...
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