Abstract
Summary
Vit. B12 deficiency in the dam resulted in newborn rats with anemia, leukopenia and granulocytopenia. The liver showed a marked reduction in hemopoietic elements, vascular blocks, and an accumulation of lipide in the hepatic cells. The femur of Vit. B12 deficient rat showed abnormal patterns of growth and bone marrow contained increased concentration of hemopoietic elements. However, most cells appeared unable to complete maturation.
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