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.
An artery is a blood vessel as well as a vein. Explanation: The difference between an artery and a vein is that an artery takes blood (usually in hight O2, except pulmonary artery that goes to the lungs) away from the heart and a vein brings blood (low O2, except pulmonary vein that comes from the lungs) from the body to the heart. Was this helpful? Let the contributor know!