Format: Paperback Verified Purchase. This is an awesome book, Just what I needed for my class to read. I am doing a unit on biomes and this book hits the spot. It is informative and gives just the tight amount of information without being overbearing for the students in my class.
Pernicious anemia is a rare blood disorder characterized by the inability of the body to properly utilize vitamin B12, which is essential for the development of red blood cells. Most cases result from the lack of the gastric protein known as intrinsic factor, without which vitamin B12 cannot be absorbed.
Pernicious anemia is a condition in which the body produces insufficient numbers of red blood cells because the intestines cannot absorb vitamin B12 properly.Vitamin B12 is essential for the production of red blood cells in the bone marrow.ral vitamin B12 supplements are not absorbed well because patients with pernicious anemia lack adequate intrinsic factor in the stomach lining. Treatment with vitamin B12 injections can prevent the permanent neurological damage that may result from deficiency of this vitamin.