Normal red blood cells are biconcave disks. With scanning electron microscopy they appear as doughnuts - round with a hole in the center. Some experts prefer to use Greek terms to describe red blood cell morphology. For instance, the normal erythrocyte is called a discocyte. In the text the word in common usage will be given and the tables will include both the common usage word and the Greek terminology.
Course Section: 01. Description of Red Blood Cells
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