Key Points. 1  Megaloblasts are large nucleated RBC precursors with noncondensed chromatin. 2  The most common causes of megaloblastic, macrocytic anemia are deficiency or defective utilization of vitamin B12 or folate. 3  Do CBC, RBC indices, reticulocyte count, and peripheral smear.
Vein (noun). a train of association, thoughts, emotions, or the like; a current; a course. Vein (noun). peculiar temper or temperament; tendency or turn of mind; a particular disposition or cast of genius; humor; strain; quality; also, manner of speech or action; as, a rich vein of humor; a satirical vein.
The word vein (meaning the tubes forming part of the blood circulation system) is often seen in the following terms: 1  vein blockage. 2  vein bruise. 3  vein burst. 4  vein collapse. 5  vein cream. 6  vein graft. 7  vein infection. 8  vein in leg. 9  vein removal. 10  vein thrombosis.