Long known as the âsunshine vitaminâ because the body makes it when skin is exposed to sunlight, vitamin D might now be dubbed the âsuperstar vitamin,â judging by the amount of attention it has garnered of late from researchers and the general public.
Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Vitamin B12 deficiency can be caused by many factors, one of which is pernicious anemia, a condition resulting in deficient production of intrinsic factor in the parietal cells of the stomach. Intrinsic factor is a protein that is needed to assist in the absorption of vitamin B12 into the small intestine.
Anemia Test No. 3: Blood Smear. Another test that helps search for anemia causes is a blood smear. This test, which is performed by spreading a drop of blood on a slide and staining it with a special dye, can detect irregularities in red blood cells, white blood cells, and platelets.