Before we start with the abnormal morphologies, let’s talk about normal morphology of Red Blood Cells. Normal mature RBC are biconcave, round discs that are about 6 – 8 in ...

Crenated cell have pucker outer edges. Red cells are covered with 10 – 30 short spicules of regular form. (produced in a blood smear which dries slowly, also can be found in uremia, ...