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.
See the entire definition of Rule out. Saphenous vein: The saphenous veins -- there are two, the great and the small saphenous ve... See the entire definition of Saphenous vein. Scan: As a noun, the data or image obtained from the examination of organs or regions of... See the entire definition of Scan